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("                    System.out.println(3);\n");
		buf.append("        while (b)\n");
		buf.append("            while (q) {\n");
		buf.append("                \n");
		buf.append("            }\n");
		buf.append("    }\n");
		buf.append("}\n");
		ICompilationUnit cu1= pack1.createCompilationUnit("E1.java", buf.toString(), false, null);
		
		CleanUpRefactoring refactoring= new CleanUpRefactoring();
		refactoring.addCompilationUnit(cu1);
		
		ICleanUp cleanUp= new ControlStatementsCleanUp(ControlStatementsCleanUp.ADD_BLOCK_TO_CONTROL_STATEMENTS);
		refactoring.addCleanUp(cleanUp);
		
		buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class E1 {\n");
		buf.append("    public boolean b, q;\n");
		buf.append("    public void foo() {\n");
		buf.append("        while (b) {\n");
		buf.append("            while (q) {\n");
		buf.append("                if (b) {\n");
		buf.append("                    System.out.println(1);\n");
		buf.append("                } else if (q) {\n");
		buf.append("                    System.out.println(2);\n");
		buf.append("                } else {\n");
		buf.append("                    System.out.println(3);\n");
		buf.append("                }\n");
		buf.append("            }\n");