修改日志打印功能，打印更加详细的日志

yzg-util-base/src/test/java/base/WeakHashMapTest.java

+package base;
+
+import com.yanzuoguang.util.thread.ThreadHelper;
+import org.junit.Test;
+import sun.misc.GC;
+
+import java.util.Map;
+import java.util.WeakHashMap;
+
+public class WeakHashMapTest {
+
+    public static class MyKey{
+
+    }
+
+    @Test
+    public void test() throws InterruptedException {
+        Map<MyKey,Integer> map = new WeakHashMap<>();
+        test1(map);
+        System.out.println(map.size());
+        Thread thread = new Thread(new Runnable() {
+            @Override
+            public void run() {
+                while(true){
+                    System.gc();
+                    System.out.println(map.size());
+                    ThreadHelper.sleep(100);
+                }
+            }
+        });
+        thread.start();
+        thread.join();
+    }
+
+    private void test1(Map<MyKey,Integer> map ){
+        map.put(new MyKey(),1);
+    }
+}