testa.java

来自「疯狂Java讲义_源码(含Java设计模式CHM」· Java 代码 · 共 31 行

/**
 * Description:
 * <br/>Copyright (C), 2005-2008, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee [e-mail]
 * @version  1.0
 */
interface A
{
	void test();
}
public class TestA
{
	public static void main(String[] args) 
	{
		int age = 0;
		A a = new A()
		{
			public void test()
			{
				//下面语句将提示错误：匿名内部类内访问局部变量必须使用final修饰
				System.out.println(age);
			}
		};
	}
}