public class ParamCh {
    public static void main(String[] args) {
        int anIntA = 5;
        int anIntB = 42;
        System.out.println(anIntA + " " + anIntB);
        changeIt(anIntB);
        System.out.println(anIntA + " " + anIntB);
    }

    public static void changeIt(int incomming) {
        System.out.println(anIntA + " " + incomming);
        int anIntA = 200;
        incomming = 45000;
        System.out.println(anIntA + " " + incomming);
    }
}