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diff --git a/‎src/main/java/com/chen/api/util/jvm/chapter2/CGLibStackOverflowError.java
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@@ -0,0 +1,41 @@
+package com.chen.api.util.jvm.chapter2;
+
+import org.springframework.cglib.proxy.Enhancer;
+import org.springframework.cglib.proxy.MethodInterceptor;
+import org.springframework.cglib.proxy.MethodProxy;
+
+import java.lang.reflect.Method;
+
+/**
+ * 使用cglib似的方法区出现内存溢出异常
+ * <p>
+ * -verbose:gc -Xms20M -Xmx20M -Xmn10M -Xss2M -XX:PermSize=10M -XX:MaxPermSize=10M
+ *
+ * @author :  chen weijie
+ * @Date: 2018-10-23 8:39 PM
+ */
+public class CGLibStackOverflowError {
+
+
+    public static void main(String[] args) {
+
+        while (true) {
+            Enhancer enhancer = new Enhancer();
+            enhancer.setSuperclass(OOMObject.class);
+            enhancer.setUseCache(false);
+            enhancer.setCallback(new MethodInterceptor() {
+                @Override
+                public Object intercept(Object o, Method method, Object[] objects, MethodProxy methodProxy) throws Throwable {
+                    return methodProxy.invoke(o, args);
+                }
+            });
+            enhancer.create();
+        }
+    }
+
+
+    static class OOMObject {
+
+    }
+
+}
@@ -0,0 +1,22 @@
+package com.chen.api.util.jvm.chapter2;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * -verbose:gc -Xms20M -Xmx20M -Xmn10M -Xss2M -XX:PermSize=10M -XX:MaxPermSize=10M
+ * @author :  chen weijie
+ * @Date: 2018-10-23 11:09 AM
+ */
+public class DistantsPoolMemoryStackOverflowDemo {
+
+
+    public static void main(String[] args) {
+        //使用list保持常量池引用，避免full GC回收常量池行为
+        List<String> list = new ArrayList<>();
+        int i = 0;
+        for (; ; ) {
+            list.add(String.valueOf(i++).intern());
+        }
+    }
+}
@@ -0,0 +1,24 @@
+package com.chen.api.util.jvm.chapter2;
+
+        import java.util.ArrayList;
+        import java.util.List;
+
+/**
+ * java 堆用于存储对象实例，只要不断的创建，并且保证GC ROOTs到对象之间有可达路径来避免垃圾回收机制清楚这些对象，name对象达到最大堆的容量限制后就会产生内存溢出异常
+ *
+ * -verbose:gc -Xms20M -Xmx20M -Xmn10M -XX:+PrintGCDetails -XX:SurvivorRatio=8 -XX:+HeapDumpOnOutOfMemoryError
+ * @author :  chen weijie
+ * @Date: 2018-10-23 9:20 AM
+ */
+public class OutOfMemoryErrorDemo {
+
+    static class OOMObject {
+    }
+
+    public static void main(String[] args) {
+        List<OOMObject> list = new ArrayList<>();
+        while (true) {
+            list.add(new OOMObject());
+        }
+    }
+}
@@ -0,0 +1,36 @@
+package com.chen.api.util.jvm.chapter2;
+
+/**
+ * 创建线程导致内存溢出异常
+ * 需要将线程栈设置的大些  -Xss2M
+ * @author :  chen weijie
+ * @Date: 2018-10-23 10:22 AM
+ */
+public class OutOfMemoryErrorForEachDemo {
+
+    int i =0;
+
+    private void dontStop(){
+        while (true){
+            i++;
+            System.out.println(i);
+        }
+    }
+
+    public void stackLeakByThread(){
+        while (true){
+            Thread thread =new Thread(new Runnable() {
+                @Override
+                public void run() {
+                    dontStop();
+                }
+            });
+            thread.start();
+        }
+    }
+
+    public static void main(String[] args) {
+        OutOfMemoryErrorForEachDemo oom = new OutOfMemoryErrorForEachDemo();
+        oom.stackLeakByThread();
+    }
+}
@@ -0,0 +1,28 @@
+package com.chen.api.util.jvm.chapter2;
+
+/**
+ * 虚拟机栈和本地方法栈内存溢出测试
+ *
+ * -verbose:gc -Xms20M -Xmx20M -Xmn10M -Xss300k
+ * @author :  chen weijie
+ * @Date: 2018-10-23 10:00 AM
+ */
+public class StackOverFlowErrorDemo {
+
+    private int stackLength = 1;
+
+    public void stackLeak() {
+        stackLength++;
+        stackLeak();
+    }
+
+    public static void main(String[] args) throws Throwable {
+        StackOverFlowErrorDemo oom = new StackOverFlowErrorDemo();
+        try {
+            oom.stackLeak();
+        } catch (Throwable e) {
+            System.out.println("stack length:" + oom.stackLength);
+            throw e;
+        }
+    }
+}