ExcessiveLambdaUsageInspection: support Java 9 requireNonNullElseGet

java/java-impl/src/com/intellij/codeInspection/ExcessiveLambdaUsageInspection.java

@@ -42,6 +42,7 @@ public class ExcessiveLambdaUsageInspection extends BaseJavaBatchLocalInspection
     new ExcessiveLambdaInfo("java.util.OptionalDouble", "orElseGet", "orElse", 0, true),
     new ExcessiveLambdaInfo("com.google.common.base.Optional", "or", "*", 0, true),
     new ExcessiveLambdaInfo("java.util.Objects", "requireNonNull", "*", 1, true),
+    new ExcessiveLambdaInfo("java.util.Objects", "requireNonNullElseGet", "requireNonNullElse", 1, true),
     new ExcessiveLambdaInfo("org.junit.jupiter.api.Assertions", "assert(?!Timeout).*|fail", "*", -1, true),
     new ExcessiveLambdaInfo("org.junit.jupiter.api.Assertions", "assert(True|False)", "*", 0, true),
   };

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/excessiveLambdaUsage/afterRequireNonNullElseGet.java

@@ -0,0 +1,9 @@
+// "Use 'requireNonNullElse' method without lambda" "true"
+
+import java.util.*;
+
+class Test {
+  public String test(String foo, String bar) {
+    return Objects.requireNonNullElse(foo, bar);
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/excessiveLambdaUsage/beforeRequireNonNullElseGet.java

@@ -0,0 +1,9 @@
+// "Use 'requireNonNullElse' method without lambda" "true"
+
+import java.util.*;
+
+class Test {
+  public String test(String foo, String bar) {
+    return Objects.requireNonNullElseGet(foo, () <caret>-> bar);
+  }
+}