更新 thread

code/src/main/java/com/raorao/java/base/InnerClassTest.java

@@ -0,0 +1,28 @@
+package com.raorao.java.base;
+
+/**
+ * 内部类的引用.
+ *
+ * @author Xiong Raorao
+ * @since 2018-08-06-14:43
+ */
+public class InnerClassTest {
+  void f(){
+    System.out.println("InnerClassTest.f()");
+  }
+  public class Inner{
+    public InnerClassTest outer(){
+      return InnerClassTest.this;
+    }
+  }
+
+  public Inner inner(){
+    return new Inner();
+  }
+
+  public static void main(String[] args) {
+    InnerClassTest test = new InnerClassTest();
+    InnerClassTest.Inner inner = test.new Inner();
+    //inner = new InnerClassTest.Inner(); // 如果Inner 是static就可以，否则只能采用上面的语句
+  }
+}