[java-highlighting] WIP IDEA-372969 Support JEP 512: Compact Source Files and Instance Main Methods

- update language levels partially
- fix tests

(cherry picked from commit 8d7b599772eda8dfd999bee9f816ec2609be4adb)


(cherry picked from commit 98a507ba78b8fc496651b5800fc3936c9c87b689)

IJ-MR-169535

GitOrigin-RevId: 898e8b4dfc303eb60da6cfff5d756304c461c424

java/java-syntax/src/com/intellij/pom/java/JavaFeature.kt

@@ -95,8 +95,26 @@ enum class JavaFeature {
     }
   },
   //jep 463,477
-  IMPLICIT_CLASSES(LanguageLevel.JDK_21_PREVIEW, "feature.implicit.classes"),
-  INSTANCE_MAIN_METHOD(LanguageLevel.JDK_21_PREVIEW, "feature.instance.main.method"),
+  //todo change everything related to implicit_classes
+  IMPLICIT_CLASSES(LanguageLevel.JDK_25, "feature.implicit.classes") {
+    override fun isSufficient(useSiteLevel: LanguageLevel): Boolean {
+      return super.isSufficient(useSiteLevel) ||
+             LanguageLevel.JDK_21_PREVIEW == useSiteLevel ||
+             LanguageLevel.JDK_22_PREVIEW == useSiteLevel ||
+             LanguageLevel.JDK_23_PREVIEW == useSiteLevel ||
+             LanguageLevel.JDK_24_PREVIEW == useSiteLevel
+    }
+  },
+  //todo change everything related to implicit_classes
+  INSTANCE_MAIN_METHOD(LanguageLevel.JDK_25, "feature.instance.main.method") {
+    override fun isSufficient(useSiteLevel: LanguageLevel): Boolean {
+      return super.isSufficient(useSiteLevel) ||
+             LanguageLevel.JDK_21_PREVIEW == useSiteLevel ||
+             LanguageLevel.JDK_22_PREVIEW == useSiteLevel ||
+             LanguageLevel.JDK_23_PREVIEW == useSiteLevel ||
+             LanguageLevel.JDK_24_PREVIEW == useSiteLevel
+    }
+  },
 
   SCOPED_VALUES(LanguageLevel.JDK_21_PREVIEW, "feature.scoped.values"),
   STRUCTURED_CONCURRENCY(LanguageLevel.JDK_21_PREVIEW, "feature.structured.concurrency"),
@@ -108,7 +126,16 @@ enum class JavaFeature {
   
   STRUCTURED_CONCURRENCY_TASK_SCOPE_STATIC_FACTORY_METHODS(LanguageLevel.JDK_25_PREVIEW, "feature.structured.concurrency.static.factory.methods"),
 
-  IMPLICIT_CLASS_NAME_OUT_OF_SCOPE(LanguageLevel.JDK_22_PREVIEW, "feature.implicit.class.name.out.of.scope"),
+  //todo change everything related to implicit_classes
+  IMPLICIT_CLASS_NAME_OUT_OF_SCOPE(LanguageLevel.JDK_25, "feature.implicit.class.name.out.of.scope"){
+    override fun isSufficient(useSiteLevel: LanguageLevel): Boolean {
+      return super.isSufficient(useSiteLevel) ||
+             LanguageLevel.JDK_22_PREVIEW == useSiteLevel ||
+             LanguageLevel.JDK_23_PREVIEW == useSiteLevel ||
+             LanguageLevel.JDK_24_PREVIEW == useSiteLevel
+    }
+  },
+
   CLASSFILE_API(LanguageLevel.JDK_22_PREVIEW, "feature.classfile.api"),
   STREAM_GATHERERS(LanguageLevel.JDK_22_PREVIEW, "feature.stream.gatherers"),
   STATEMENTS_BEFORE_SUPER(LanguageLevel.JDK_22_PREVIEW, "feature.statements.before.super") {
@@ -125,7 +152,14 @@ enum class JavaFeature {
 
   //jep 463,477
   INHERITED_STATIC_MAIN_METHOD(LanguageLevel.JDK_22_PREVIEW, "feature.inherited.static.main.method"),
-  IMPLICIT_IMPORT_IN_IMPLICIT_CLASSES(LanguageLevel.JDK_23_PREVIEW, "feature.implicit.import.in.implicit.classes"),
+  //todo change everything related to implicit_classes
+  IMPLICIT_IMPORT_IN_IMPLICIT_CLASSES(LanguageLevel.JDK_25, "feature.implicit.import.in.implicit.classes"){
+    override fun isSufficient(useSiteLevel: LanguageLevel): Boolean {
+      return super.isSufficient(useSiteLevel) ||
+             LanguageLevel.JDK_23_PREVIEW == useSiteLevel ||
+             LanguageLevel.JDK_24_PREVIEW == useSiteLevel
+    }
+  },
   //JEP 507
   PRIMITIVE_TYPES_IN_PATTERNS(LanguageLevel.JDK_23_PREVIEW, "feature.primitive.types.in.patterns"),
 

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting/IDEA70370.java

@@ -1,5 +1,5 @@
 class Devk1 {
-  public void main(String args[]) {
+  public void main() {
     foo();
   }
 

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting8/IDEA70370.java

@@ -1,5 +1,5 @@
 class Devk1 {
-  public void main(String args[]) {
+  public void main() {
     foo();
   }
 

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/methodRef/ResolveConflicts.java

@@ -5,7 +5,7 @@ interface Func<TIn, TOut>{
 
 class Main {
 
-    public static void main(final String[] args) {
+    public static void main() {
         Func<Integer, String> func =  Integer::<error descr="Reference to 'toString' is ambiguous, both 'toString()' and 'toString(int)' match">toString</error>;
         System.out.println(func.run(6));
     }

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/methodRef/ReturnTypeSpecific.java

@@ -28,7 +28,7 @@ class MyTest {
       System.out.println(i);
     }
 
-    public static void main(String[] args) {
+    public static void main() {
         foo<error descr="Ambiguous method call: both 'MyTest.foo(I1)' and 'MyTest.foo(I2)' match">(Foo::m)</error>;
     }
 }
@@ -66,7 +66,7 @@ class MyTest1 {
         System.out.println(i);
     }
 
-    public static void main(String[] args) {
+    public static void main() {
         m<error descr="Ambiguous method call: both 'MyTest1.m(I1)' and 'MyTest1.m(I2)' match">(Foo::new)</error>;
     }
 }
@@ -103,7 +103,7 @@ class MyTest2 {
         System.out.println(i);
     }
 
-    public static void main(String[] args) {
+    public static void main() {
         m<error descr="Ambiguous method call: both 'MyTest2.m(I1)' and 'MyTest2.m(I2)' match">(Foo::new)</error>;
     }
 }

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/methodRef/VoidReturnTypeAmbiguity.java

@@ -1,6 +1,6 @@
 class App {
 
-    public static void main(String[] args) {
+    public static void main() {
         test(App::getLength);
     }
 

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/mostSpecific/IDEA121884.java

@@ -11,7 +11,7 @@ class Main {
   public static void caller(MyCallRet c) {
     c.call(3);
   }
-  public static void main(String[] args) {
+  public static void main() {
     caller( (int n) -> { System.out.println(" " + n);  } );
   }
 }

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/mostSpecific/MostSpecificByReturnType.java

@@ -10,7 +10,7 @@ class Test {
     System.out.println(i);
   }
 
-  public static void main(String[] args)   {
+  public static void main()   {
       call(()-> null);
   }
 }

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/mostSpecific/SuperMethodsInExactCheck.java

@@ -12,7 +12,7 @@ class Test {
     System.out.println(callable);
   }
 
-  public static void main(String[] args) {
+  public static void main() {
     final Collection<Void> collection = new ArrayList<>();
     final Iterable<Void> iterable = collection;
     foo(iterable::iterator);

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/mostSpecific/VarargsSpecificsDuringMethodReferenceResolve.java

@@ -1,7 +1,7 @@
 import java.util.function.Consumer;
 
 class Test {
-    public static void main(String[] args) {
+    public static void main() {
         Consumer<String> ref = Test::method;
         System.out.println(ref);
     }

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newMethodRef/AfterDistinctOps.java

@@ -15,7 +15,7 @@ class BBB {
         return null;
     }
 
-    public static void main(String[] args) {
+    public static void main() {
         f();
     }
 }

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/overloadResolution/CompareFormalParametersWithNotionOfSiteSubstitutorInIsMoreSpecificCheck.java

@@ -11,7 +11,7 @@ class TestIntelliJ<T, S extends List<T>> extends SubInterface<T, S> {
     return t;
   }
 
-  public static void main(String... args) {
+  public static void main() {
     TestIntelliJ<String, List<String>> testIntelliJ = new TestIntelliJ<>();
     testIntelliJ.test(testIntelliJ);
   }

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/overloadResolution/DoNotCheckConstantIfsDuringValueCompatibleChecks.java

@@ -20,7 +20,7 @@ class Test {
   private <T> void process(handler<T> <warning descr="Parameter 'h' is never used">h</warning>) {}
 
 
-  public static void main(String[] args) {
+  public static void main() {
     Test t = new Test();
     t.<Message<Result<String>>>process(m -> {
       if (m.data.isSuccessful());

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/overloadResolution/FunctionalInterfacesAtVarargsPositionMostSpecificCheck.java

@@ -9,7 +9,7 @@ class Test {
     System.out.println(objs);
   }
 
-  public static void main(String[] args) {
+  public static void main() {
     test(String.class, new Runnable[1]);
   }
 }

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/overloadResolution/IDEA139875.java

@@ -38,7 +38,7 @@ class GenericsError {
   }
 
 
-  public static void main(final String[] args) {
+  public static void main() {
     final ListHolder<? extends B> aListHolder = new ListHolder<B>();
     final DeletingLooper<? super B> bLooper = new MyDeletingLooper();
 

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/overloadResolution/IDEA151823.java

@@ -12,7 +12,7 @@ class Main {
     System.out.println("Integer... x");
   }
 
-  public static void main(String[] args) {
+  public static void main() {
     int i = 0;
     Integer i2 = 127;
     var<error descr="Ambiguous method call: both 'Main.var(int...)' and 'Main.var(Integer...)' match">(i, i2)</error>;

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/overloadResolution/PreferDefaultMethodsOverStatic.java

@@ -10,7 +10,7 @@ class Test {
   static class IJ implements I, J {}
   static class JI implements J, I {}
 
-  public static void main(String[] args) {
+  public static void main() {
     new IJ(). f();
     new JI(). f();
 

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/overloadResolution/PrimitiveVarargsAreNoMoreSpecificThanNonPrimitiveWhenNoArgIsActuallyProvided.java

@@ -4,7 +4,7 @@ class Test {
 
   public void test(int... <warning descr="Parameter 'a' is never used">a</warning>){}
 
-  public static void main(String[] args) {
+  public static void main() {
     new Test().test<error descr="Ambiguous method call: both 'Test.test(String...)' and 'Test.test(int...)' match">()</error>;
   }
 }

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/overloadResolution/StaticImportOfObjectsToString.java

@@ -11,7 +11,7 @@ class Foo {
     return super.toString();
   }
 
-  public static void main(String[] args) {
+  public static void main() {
     System.out.println(new Foo().go());
   }
 }

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/overloadResolution/VoidValueCompatibilityCantCompleteNormallyWithCallWithExceptionAsLastReturnStatement.java

@@ -34,7 +34,7 @@ class Test {
     System.out.println(s);
   }
 
-  public static void main(String[] args) {
+  public static void main() {
 
     method(() -> {
       voids("-> B");

java/java-tests/testData/ig/com/siyeh/igtest/style/unnecessary_psvm_modifier/ImplicitClassWithModifiers.java

@@ -1,3 +1,3 @@
-<warning descr="Modifier 'public' is redundant for 'main' method on Java 23-preview">public</warning> <warning descr="Modifier 'static' is redundant for 'main' method on Java 23-preview">static</warning> void main(String[] args) {
+<warning descr="Modifier 'public' is redundant for 'main' method on Java 25">public</warning> <warning descr="Modifier 'static' is redundant for 'main' method on Java 25">static</warning> void main(String[] args) {
   System.out.println("Hello World!");
 }

java/java-tests/testData/ig/com/siyeh/igtest/style/unnecessary_psvm_modifier/NormalClassWithModifiers.java

@@ -1,7 +1,7 @@
 package test;
 
 public class NormalClassWithModifiers {
-  <warning descr="Modifier 'public' is redundant for 'main' method on Java 23-preview">public</warning> static void main(String[] args) {
+  <warning descr="Modifier 'public' is redundant for 'main' method on Java 25">public</warning> static void main(String[] args) {
     System.out.println("Hello World!");
   }
 

java/java-tests/testSrc/com/intellij/codeInsight/daemon/impl/quickfix/RemoveUnusedParameterTest.java

@@ -3,10 +3,16 @@ package com.intellij.codeInsight.daemon.impl.quickfix;
 
 import com.intellij.codeInsight.daemon.quickFix.LightQuickFixParameterizedTestCase;
 import com.intellij.codeInspection.deadCode.UnusedDeclarationInspection;
+import com.intellij.pom.java.LanguageLevel;
 
 
 public class RemoveUnusedParameterTest extends LightQuickFixParameterizedTestCase {
 
+  @Override
+  protected LanguageLevel getLanguageLevel() {
+    return LanguageLevel.JDK_24;
+  }
+
   @Override
   protected void setUp() throws Exception {
     super.setUp();

java/java-tests/testSrc/com/intellij/java/codeInsight/completion/JavaAutoPopupTest.java

@@ -37,10 +37,12 @@ import com.intellij.openapi.options.advanced.AdvancedSettingsImpl;
 import com.intellij.openapi.progress.ProgressManager;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.util.Ref;
+import com.intellij.pom.java.LanguageLevel;
 import com.intellij.psi.*;
 import com.intellij.psi.statistics.StatisticsManager;
 import com.intellij.psi.statistics.impl.StatisticsManagerImpl;
 import com.intellij.psi.util.InheritanceUtil;
+import com.intellij.testFramework.IdeaTestUtil;
 import com.intellij.testFramework.NeedsIndex;
 import com.intellij.testFramework.common.ThreadUtil;
 import com.intellij.testFramework.fixtures.CodeInsightTestUtil;
@@ -1515,11 +1517,13 @@ public class JavaAutoPopupTest extends JavaCompletionAutoPopupTestCase {
   }
 
   public void testQuickBackspaceEnter() {
-    myFixture.configureByText("a.java", "<caret>");
-    type("cl");
-    assertEquals(myFixture.getLookupElementStrings(), List.of("class"));
-    myFixture.type("\b\n");
-    myFixture.checkResult("class <caret>");
+    IdeaTestUtil.withLevel(getModule(), LanguageLevel.JDK_21, () -> {
+      myFixture.configureByText("a.java", "<caret>");
+      type("cl");
+      assertEquals(myFixture.getLookupElementStrings(), List.of("class"));
+      myFixture.type("\b\n");
+      myFixture.checkResult("class <caret>");
+    });
   }
 
   public void test_new_primitive_array_in_Object_variable() {

java/java-tests/testSrc/com/intellij/java/codeInsight/daemon/ImplicitClassHighlightingTest.kt

@@ -13,7 +13,7 @@ import com.intellij.testFramework.fixtures.LightJavaCodeInsightFixtureTestCase
 import org.jetbrains.plugins.groovy.intentions.style.inference.resolve
 
 class ImplicitClassHighlightingTest : LightJavaCodeInsightFixtureTestCase() {
-  override fun getProjectDescriptor() = JAVA_23
+  override fun getProjectDescriptor() = JAVA_LATEST_WITH_LATEST_JDK
   override fun getBasePath() = JavaTestUtil.getRelativeJavaTestDataPath() + "/codeInsight/daemonCodeAnalyzer/implicitClass"
 
   fun testHighlightInsufficientLevel() {
@@ -108,7 +108,7 @@ class ImplicitClassHighlightingTest : LightJavaCodeInsightFixtureTestCase() {
   }
 
   fun testImplicitWithPackages() {
-    IdeaTestUtil.withLevel(module, JavaFeature.IMPLICIT_IMPORT_IN_IMPLICIT_CLASSES.minimumLevel, Runnable {
+    IdeaTestUtil.withLevel(module, LanguageLevel.JDK_23_PREVIEW, Runnable {
       myFixture.addClass("""
         package a.b;
         

java/java-tests/testSrc/com/intellij/java/codeInsight/template/LiveTemplateTest.java

@@ -29,11 +29,13 @@ import com.intellij.openapi.util.RecursionManager;
 import com.intellij.openapi.util.io.FileUtil;
 import com.intellij.openapi.util.text.StringUtil;
 import com.intellij.openapi.vfs.VirtualFile;
+import com.intellij.pom.java.LanguageLevel;
 import com.intellij.psi.PsiFile;
 import com.intellij.psi.codeStyle.CommonCodeStyleSettings;
 import com.intellij.psi.impl.source.tree.injected.InjectedLanguageUtil;
 import com.intellij.testFramework.DumbModeTestUtils;
 import com.intellij.testFramework.EdtTestUtil;
+import com.intellij.testFramework.IdeaTestUtil;
 import com.intellij.testFramework.LightPlatformCodeInsightTestCase;
 import com.intellij.testFramework.fixtures.CodeInsightTestUtil;
 import com.intellij.util.DocumentUtil;
@@ -356,17 +358,20 @@ public class LiveTemplateTest extends LiveTemplateTestCase {
   }
 
   public void testOtherContext() {
-    configureFromFileText("a.java", "class Foo { <caret>xxx }");
-    Set<TemplateContextType> types =
-      TemplateManagerImpl.getApplicableContextTypes(TemplateActionContext.expanding(myFixture.getFile(), getEditor()));
-    assertEquals(2, types.size());
-    assertTrue(types.contains(TemplateContextTypes.getByClass(JavaCodeContextType.Declaration.class)));
-    assertTrue(types.contains(TemplateContextTypes.getByClass(JavaCodeContextType.NormalClassDeclarationBeforeShortMainMethod.class)));
+    IdeaTestUtil.withLevel(getModule(), LanguageLevel.JDK_21, () -> {
 
-    configureFromFileText("a.txt", "class Foo { <caret>xxx }");
-    assertInstanceOf(assertOneElement(
-                       TemplateManagerImpl.getApplicableContextTypes(TemplateActionContext.expanding(myFixture.getFile(), getEditor()))),
-                     EverywhereContextType.class);
+      configureFromFileText("a.java", "class Foo { <caret>xxx }");
+      Set<TemplateContextType> types =
+        TemplateManagerImpl.getApplicableContextTypes(TemplateActionContext.expanding(myFixture.getFile(), getEditor()));
+      assertEquals(2, types.size());
+      assertTrue(types.contains(TemplateContextTypes.getByClass(JavaCodeContextType.Declaration.class)));
+      assertTrue(types.contains(TemplateContextTypes.getByClass(JavaCodeContextType.NormalClassDeclarationBeforeShortMainMethod.class)));
+
+      configureFromFileText("a.txt", "class Foo { <caret>xxx }");
+      assertInstanceOf(assertOneElement(
+                         TemplateManagerImpl.getApplicableContextTypes(TemplateActionContext.expanding(myFixture.getFile(), getEditor()))),
+                       EverywhereContextType.class);
+    });
   }
 
   public void testJavaOtherContext() {
@@ -464,10 +469,12 @@ public class LiveTemplateTest extends LiveTemplateTestCase {
   }
 
   public void testListTemplatesSearchesPrefixInDescription() {
-    myFixture.configureByText("a.java", "class A { main<caret> }");
+    IdeaTestUtil.withLevel(getModule(), LanguageLevel.JDK_21, () -> {
+      myFixture.configureByText("a.java", "class A { main<caret> }");
 
-    new ListTemplatesHandler().invoke(getProject(), getEditor(), myFixture.getFile());
-    assertEquals(List.of("main", "psvm"), myFixture.getLookupElementStrings());
+      new ListTemplatesHandler().invoke(getProject(), getEditor(), myFixture.getFile());
+      assertEquals(List.of("main", "psvm"), myFixture.getLookupElementStrings());
+    });
   }
 
   public void testListTemplatesAction() {

java/java-tests/testSrc/com/intellij/java/codeInsight/template/postfix/completion/TemplatesCompletionTest.java

@@ -231,7 +231,7 @@ public class TemplatesCompletionTest extends JavaCompletionAutoPopupTestCase {
 
     myFixture.configureByText("a.java", "class Foo { ps<caret> } class psvClass {}");
     type("v");
-    myFixture.assertPreferredCompletionItems(0, "psvm", "psvClass");
+    myFixture.assertPreferredCompletionItems(0, "psvm", "psvma", "psvClass");
 
     myFixture.configureByText("a.xml", "CARBON C<caret>");
     myFixture.completeBasic();

java/java-tests/testSrc/com/intellij/java/codeInspection/UnusedDeclarationClassPatternsTest.kt

@@ -70,7 +70,7 @@ class UnusedDeclarationClassPatternsTest : LightJavaCodeInsightFixtureTestCase()
     val patterns = EntryPointsManagerBase.getInstance(project).patterns
     try {
       patterns.add(classPattern)
-      myFixture.configureByText("C.java", "public abstract class C { void fooBar() {} public static void main(String[] args) {}}")
+      myFixture.configureByText("C.java", "public abstract class C { void fooBar() {} public static void main() {}}")
       myFixture.checkHighlighting()
     }
     finally {

java/java-tests/testSrc/com/intellij/java/psi/resolve/ResolveModuleImportTest.java

@@ -13,6 +13,7 @@ import com.intellij.openapi.roots.ModuleRootModificationUtil;
 import com.intellij.openapi.util.Disposer;
 import com.intellij.openapi.vfs.VfsUtil;
 import com.intellij.pom.java.JavaFeature;
+import com.intellij.pom.java.LanguageLevel;
 import com.intellij.psi.*;
 import com.intellij.psi.codeStyle.JavaCodeStyleManager;
 import com.intellij.psi.codeStyle.JavaCodeStyleSettings;
@@ -376,7 +377,7 @@ public class ResolveModuleImportTest extends LightJava9ModulesCodeInsightFixture
   }
 
   public void testAmbiguousModuleImportWithPackageImport() {
-    IdeaTestUtil.withLevel(getModule(), JavaFeature.MODULE_IMPORT_DECLARATIONS.getMinimumLevel(), ()->{
+    IdeaTestUtil.withLevel(getModule(), LanguageLevel.JDK_23_PREVIEW, ()->{
       prepareAmbiguousModuleTests();
       myFixture.configureByFile(getTestName(false) + ".java");
       myFixture.checkHighlighting();

java/java-tests/testSrc/com/siyeh/ig/naming/ConfusingMainMethodInspectionTest.java

@@ -18,11 +18,13 @@ public class ConfusingMainMethodInspectionTest extends LightJavaInspectionTestCa
   }
 
   public void testConfusingMainMethod() {
-    doTest();
+    IdeaTestUtil.withLevel(getModule(), LanguageLevel.JDK_21, () -> {
+      doTest();
+    });
   }
 
   public void testConfusingMainMethodInImplicitClass() {
-    IdeaTestUtil.withLevel(getModule(), LanguageLevel.JDK_21_PREVIEW, () -> {
+    IdeaTestUtil.withLevel(getModule(), LanguageLevel.JDK_25, () -> {
       doTest();
     });
   }

plugins/devkit/devkit-java-tests/testData/inspections/implicitUsage/ImplicitUsagesDomElementVisitor.java

@@ -3,7 +3,7 @@ import com.intellij.util.xml.DomElementVisitor;
 
 public class ImplicitUsagesDomElementVisitor implements DomElementVisitor {
 
-  public static void main(String[] args) {} // suppress class unused
+  public static void main() {} // suppress class unused
 
   interface MyDom extends DomElement {}
 
@@ -21,7 +21,7 @@ public class ImplicitUsagesDomElementVisitor implements DomElementVisitor {
 
   public static class NonDomElementVisitorClass {
 
-    public static void main(String[] args) {} // suppress class unused
+    public static void main() {} // suppress class unused
 
     public void <warning descr="Method 'visitMyDom(ImplicitUsagesDomElementVisitor.MyDom)' is never used">visitMyDom</warning>(MyDom myDom) { myDom = null; }
 

plugins/devkit/devkit-kotlin-tests/testSrc/org/jetbrains/idea/devkit/kotlin/navigation/KtPropertyKeyFoldingTest.kt

@@ -32,7 +32,7 @@ class KtPropertyKeyFoldingTest : JavaCodeInsightFixtureTestCase() {
           private const val BUNDLE_NAME = "i18n";
           private val BUNDLE = ResourceBundle.getBundle(BUNDLE_NAME);
 
-          fun main(args: Array<String>) {
+          fun main() {
             System.out.print(getMessage("com.example.localization.welcomeMessage"));
           }
 
@@ -66,7 +66,7 @@ class KtPropertyKeyFoldingTest : JavaCodeInsightFixtureTestCase() {
           private const val BUNDLE_NAME = "i18n";
           private val BUNDLE = ResourceBundle.getBundle(BUNDLE_NAME);
 
-          fun main(args: Array<String>) {
+          fun main() {
             System.out.print(getMessage("com.example.localization.welcomeMessage", "My Friend"));
           }
 

plugins/junit/java-tests/test/com/intellij/execution/junit/codeInspection/deadCode/JavaJunit5ImplicitUsageProviderTest.kt

@@ -123,7 +123,7 @@ class JavaJunit5ImplicitUsageProviderTest : JUnit5ImplicitUsageProviderTestBase(
       import java.util.stream.Stream;
 
       public class MyTest {
-          public static void main(String[] args){
+          public static void main(){
             new MyTest();
           }
           public static Stream<Arguments> <warning descr="Method 'allJdks()' is never used">allJdks</warning>() {

plugins/lombok/testData/highlighting/BuilderWithDefaultRedundantInitializer.java

@@ -6,7 +6,7 @@ public class BuilderWithDefaultRedundantInitializer {
 
   private String filed2 = <warning descr="Variable 'filed2' initializer '\" some value\"' is redundant">" some value"</warning>;
 
-  public static void main(String[] args) {
+  public static void main() {
     System.out.println(BuilderWithDefaultRedundantInitializer.builder().field1("xyz").build());
   }
 }

plugins/lombok/testData/highlighting/BuilderWithDefaultReinitializeInConstructor.java

@@ -28,7 +28,7 @@ class Foo {
 }
 
 public class BuilderWithDefaultReinitializeInConstructor {
-  public static void main(String[] args) {
+  public static void main() {
     new Bar("FooBar", "Foo");
     new Foo("FooBar", "Foo");
   }

plugins/lombok/testData/highlighting/BuilderWithPredefinedBuilderClassMethods.java

@@ -9,7 +9,7 @@ import java.util.ArrayList;
 import java.util.Map;
 
 public class BuilderWithPredefinedBuilderClassMethods {
-  public static void main(String[] args) {
+  public static void main() {
     new BuilderWithPredefinedBuilderClassMethods().test();
     System.out.println(new MathContext(1).getSomeInt());
   }

plugins/lombok/testData/highlighting/FieldNameConstantsExample.java

@@ -27,7 +27,7 @@ public class FieldNameConstantsExample {
     }
   }
 
-  public static void main(String[] args) {
+  public static void main() {
     new FieldNameConstantsExample().logFieldValue(new Foo("a", "b"), "foo");
   }
 }

plugins/lombok/testData/highlighting/LombokBasics.java

@@ -15,7 +15,7 @@ public final class LombokBasics {
     if (this <warning descr="Object values are compared using '==', not 'equals()'">==</warning> other) {} // equals is implicitly defined
   }
 
-  public static void main(String[] args) {
+  public static void main() {
     new LombokBasics(10).test(new LombokBasics(12));
   }
 }

plugins/lombok/testData/highlighting/LombokEqualsAndHashCode.java

@@ -19,7 +19,7 @@ public class LombokEqualsAndHashCode {
     private float f;
   }
 
-  public static void main(String[] args) {
+  public static void main() {
     System.out.println(new Parent());
     System.out.println(new Child1());
     System.out.println(new Child2());

plugins/lombok/testData/highlighting/LombokNullable.java

@@ -12,7 +12,7 @@ public class LombokNullable {
     @Nonnull
     private String value;
 
-    public static void main(String[] args) {
+    public static void main() {
         String value = Math.random() > 0.5 ? null : "xx";
 
         LombokNullable test = LombokNullable.builder()
@@ -33,7 +33,7 @@ class LombokNullableConstructor {
         this.value = value;
     }
 
-    public static void main(String[] args) {
+    public static void main() {
         String value = Math.random() > 0.5 ? null : "xx";
 
         LombokNullableConstructor test = LombokNullableConstructor.builder()
@@ -52,7 +52,7 @@ record LombokNullableRecord(@Nonnull String foo) {
                 .build();
     }
 
-    public static void main(String[] args) {
+    public static void main() {
       final LombokNullableRecord myNullableRecord = LombokNullableRecord.of(null);
       System.out.println(myNullableRecord);
     }

plugins/lombok/testData/highlighting/LombokStaticVars.java

@@ -10,7 +10,7 @@ public class LombokStaticVars {
         log.info("This should not produce error: Variable 'log' might not have been initialized");
     };
 
-  public static void main(String[] args) {
+  public static void main() {
     LAMDA.run();
   }
 }