package com.basic.security.utils; import java.util.HashMap; public class MyHashMap extends HashMap { @Override public void clear() { super.clear(); // System1.out.println("MyHashMap.clear " + FrameUtil.getFrames()); } @Override public Object remove(Object key) { // System1.out.println("MyHashMap.remove key=" + key + FrameUtil.getFrames()); return super.remove(key); } @Override public boolean containsKey(Object key) { // System1.out.println("MyHashMap.containsKey key=" + key + FrameUtil.getFrames()); return super.containsKey(key); } }