multiple jdks: test method signatures hierarchy

java/java-tests/testData/codeInsight/multipleJdks/java7/p/NoOverriding.java

@@ -0,0 +1,14 @@
+package p;
+
+abstract class B extends A {
+  public static String getOrDefault(Object key, String defaultValue) {
+    return null;
+  }
+}
+
+abstract class C extends A {
+  <error descr="Method does not override method from its superclass">@Override</error>
+  public String getOrDefault(Object key, String defaultValue) {
+    return null;
+  }
+}

java/java-tests/testData/codeInsight/multipleJdks/java8/p/NoOverriding.java

@@ -0,0 +1,5 @@
+package p;
+import java.util.Map;
+
+public abstract class A implements Map<String, String> {}
+