import org.junit.Test; public class MyTest { //内部类User public class User{ public String name; public String getName() { return name; } public void setName(String name) { this.name = name; } } // public void operationUser(User userA){ User userB = new User();//userB是个新对象 userB = userA;//引用还是值? userB.setName("lisi");//明明是对UserB进行name设值,却改变了userA的值 } @Test public void test (){ User userA = new User(); userA.setName("zhangs"); operationUser(userA); System.out.println(userA.getName()); } }
一个测试说明java是值传递
一个测试说明java是值传递
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转载自fuliguo.iteye.com/blog/2226413
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