/**
* PAss a reference in Java
* identityHashCode might given memory location -- sort of.
* Kotlin does not allow changing the reference location of passed param
* so the line "pss = "5"  "is commented out to make the program compile
*
* @author gtowell
* Created: August 2021
 */

public class PassRef {
    public static void main(String[] args) {
        String aa = new String("asdf");
        System.out.format("Main aaa:%s lod:%d\n", aa, System.identityHashCode(aa));
        passer(aa);
        System.out.format("Main aa:%s lod:%d\n", aa, System.identityHashCode(aa));
    }

    public static void passer(String pss) {
        System.out.format("passer pss:%s lod:%d\n", pss, System.identityHashCode(pss));
        pss = new String("5");
        System.out.format("passer pss:%s lod:%d\n", pss, System.identityHashCode(pss));
    }
}