Programa 1

Programa 2

public class Programa1 {

public static void main(String[] args) {

int t= 0;

if (++t > 0) System.out.print(t);

System.out.print(t);

}

}

public class Programa2 {

public static void main(String[] args) {

int t= 0;

if (t++ > 0) System.out.print(t);

System.out.print(t);

}

}