Bug 129807 [cleanup] Add final cleanup should only add keyword on methods with body
I20060223-1656 + ZRH plugin export The final keyword should only be added on methods with body. In particular, final should be omitted for interface methods and abstract methods.
org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/quickfix/CleanUpTest.java
ICleanUp cleanUp= new CodeStyleCleanUp(CodeStyleCleanUp.CHANGE_NON_STATIC_ACCESS_TO_STATIC);
		refactoring.addCleanUp(cleanUp);
		
		buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class E1 {\n");
		buf.append("    public static int f() {return 1;}\n");
		buf.append("    public void foo() {\n");
		buf.append("        int i= E1.f();\n");
		buf.append("    }\n");
		buf.append("}\n");
		String expected1= buf.toString();
		
		buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class E2 {\n");
		buf.append("    public static String s() {return \"\";}\n");
		buf.append("    public void foo() {\n");
		buf.append("        System.out.println(E2.s());\n");
		buf.append("        E1 e1= new E1();\n");
		buf.append("        int i= E1.f();\n");
		buf.append("    }\n");
		buf.append("}\n");
		String expected2= buf.toString();
		
		buf= new StringBuffer();
		buf.append("package test2;\n");
		buf.append("import test1.E1;\n");
		buf.append("import test1.E2;\n");
		buf.append("public class E3 extends E2 {\n");