check your java class locking and classloader concept.

try below code to test your concept of class Locking and classLoader. I will post the
reason of output next week till then you do your finding !!

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

    private static void show() {
        synchronized (SharedQ.class) {
            System.out.println(" Method Show() executing from Main() .... ");

class SharedQ {  
    static {
        System.out.println(" Classloader is loading SharedQ ");

    public static void writeStream() {
        // some multiThread code here

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