// "Extract if (a)" "true-preview" class Test { void f(boolean a, boolean b, boolean c, boolean d){ if (a && b) System.out.println("a&b");//first comment else if (a && c) { System.out.println("a&c");//ac } else if (a) { System.out.println("a");//a } else if (d) { System.out.println("d");//d } } }