public class TestXOR
{
public static void main( String[] args ) {

boolean val1 = true;
boolean val2 = true;
System.out.println(val1 ^ val2);

val1 = false;
val2 = true;
System.out.println(val1 ^ val2);

val1 = false;
val2 = false;
System.out.println(val1 ^ val2);

val1 = true;
val2 = false;
System.out.println(val1 ^ val2);
}
}