JavaSE进阶

import org.junit.After;

import org.junit.AfterClass;

import org.junit.Before;

import org.junit.BeforeClass;

import org.junit.Test;

public class TestJUnit2 {

    private static Object[] array;

    private static int total;

    @BeforeClass

    public static void init(){

        System.out.println("初始化数组");

        array = new Object[5];

    }

    @Before

    public void before(){

        System.out.println("调用之前total=" + total);

    }

    @Test

    public void add(){

        //往数组中存储一个元素

        System.out.println("add");

        array[total++] = "hello";

    }

    @After

    public void after(){

        System.out.println("调用之前total=" + total);

    }

    @AfterClass

    public static void destroy(){

        array = null;

        System.out.println("销毁数组");

    }

}