increDecre.java

public class variables {
    public static void main(String [] arguments) {
        int x, y, z; // x, y, and z are all declared
        x = 42;     // x is given the value of 42
        y = x++;    // y is given x's value which is 42 before it is incremented 
                    // and x is then incremented to 43
        z = ++x;    // x is incremented to 44, and z is given x's value 

        System.out.println("x is: " + x);
        System.out.println("y is: " + y);
        System.out.println("z is: " + z);
    }
}