Answer Posted / manoj kumar
public class DateUtil implements Serializable,Cloneable {
private static volatile Dateutil instance;
private DateUtil() {
//no-op
}
public static DateUtil getInstance() {
if(instance==null) {
synchronized(DateUtil.this) {
if(instance==null) {
instance = new DateUtil();
}
}
return instance;
}
protected Object readResolve() {
return instance;
}
public Object clone() throws CloneNotSupportedException {
super.clone();
throw new CloneNotSupportedException;
}
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