junit --Eclipse下的环境搭建

import static org.junit.Assert.*;

import org.junit.AfterClass;

import org.junit.BeforeClass;

import org.junit.Test;

public class JDemoTest {

         @BeforeClass

         public static void setUpBeforeClass() throws Exception {

         }

         @AfterClass

         public static void tearDownAfterClass() throws Exception {

         }

         @Test

         public void testAdd() {

                   JDemo a= new JDemo();

                   assertEquals(6,a.add(3, 3));

         }