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
public void testCodeStyle25() throws Exception {
		IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
		StringBuffer buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class E1 {\n");
		buf.append("    public void foo() {\n");
		buf.append("        System.out.println(I1Impl.N);\n");
		buf.append("        I1 i1= new I1();\n");
		buf.append("    }\n");
		buf.append("}\n");
		ICompilationUnit cu1= pack1.createCompilationUnit("E1.java", buf.toString(), false, null);
		
		buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("import test2.I1;\n");
		buf.append("public class I1Impl implements I1 {}\n");
		pack1.createCompilationUnit("I1Impl.java", buf.toString(), false, null);
		
		buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class I1 {}\n");
		pack1.createCompilationUnit("I1.java", buf.toString(), false, null);
		
		IPackageFragment pack2= fSourceFolder.createPackageFragment("test2", false, null);
		buf= new StringBuffer();
		buf.append("package test2;\n");
		buf.append("public interface I1 {\n");
		buf.append("    public static int N= 10;\n");
		buf.append("}\n");