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
buf.append("package test1;\n");
		buf.append("public class E2 extends E1{\n");
		buf.append("    int i = 10;\n");
		buf.append("    \n");
		buf.append("    public class E2Inner {\n");
		buf.append("        public void bar() {\n");
		buf.append("            int j = i;\n");
		buf.append("            String k = s + t;\n");
		buf.append("        }\n");
		buf.append("    }\n");
		buf.append("    \n");
		buf.append("    public void fooBar() {\n");
		buf.append("        String k = s;\n");
		buf.append("        int j = i;\n");
		buf.append("    }\n");
		buf.append("}\n");
		ICompilationUnit cu2= pack1.createCompilationUnit("E2.java", buf.toString(), false, null);
		
		CleanUpRefactoring refactoring= new CleanUpRefactoring();
		refactoring.addCompilationUnit(cu1);
		refactoring.addCompilationUnit(cu2);
		
		ICleanUp cleanUp= new CodeStyleCleanUp(CodeStyleCleanUp.QUALIFY_FIELD_ACCESS);
		refactoring.addCleanUp(cleanUp);
		
		buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class E1 {\n");
		buf.append("    String s = \"\"; //$NON-NLS-1$\n");
		buf.append("    String t = \"\";  //$NON-NLS-1$\n");