// When quantities of privitive types are passed as parameters, Java
// makes a copy of their value.  
// In this example, x in main is different from x in strange
// Run in jGRASP using the debugger to see what happens

public class ValueSemantics {   
    public static void main(String[] args) {
        int x = 23;
        strange(x);
        System.out.println("2. x = " + x);
    }

    public static void strange(int x) {
        x = x + 1;
        System.out.println("1. x = " + x);
    }
}