abstract class DemoInvertBoolean { boolean b; DemoInvertBoolean(boolean <caret>bInverted) { this.b = !bInverted; } DemoInvertBoolean() { this(false);//this true will be inverted } abstract void f1(); public static void main(String[] args) { DemoInvertBoolean demo = new DemoInvertBoolean(false) {//this true will not be inverted @Override public void f1() { } }; } }