<!-- Code highlighting produced by Actipro CodeHighlighter (freeware) http://www.CodeHighlighter.com/ --> //成員內部類......相當於非靜態方法class MemberInner { private int a = 3; public class Inner2 { private int a = 2; public void doSomething() { // 呼叫外部類的屬性 System.out.println(MemberInner.this.a);// 這塊要注意......很重要！！！ System.out.println(a); } } } public class Test3 { public static void main(String[] args) { MemberInner.Inner2 inner2 = new MemberInner().new Inner2();// 非靜態內部類要new例項 inner2.doSomething(); } }