public class UnaryTest3 { //private int [] x = new int [] {2,3,4,2,3}; private int x = 9; public static void main (String [] args){ UnaryTest3 u = new UnaryTest3(); u.run(); } public void run(){ Inner i = new Inner(); i.run(); } public class Inner { public void run(){ //int i = 0; //x[i++]++; /*int j = 0; System.out.println(x[j++] += 1); System.out.println(x[0]);*/ System.out.println(x++); x--; System.out.println(++x); } } }