before ------ public void foo () { bar("test", 1); bar("test"); } public void bar (String param_1) { }} action: -------

• accept the "change signature" quickfix => the "change signature" dialog opens
• move the newly introduced parameter up

after : ----------- public void foo () { bar("test", 1); <<------ problem: param not moved bar(1, "test"); <<------- OK: param moved } public void bar (int i, String param_1) { }}