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//: c03:Assignment.java // Assignment with objects is a bit tricky. // From \\\'Thinking in Java, 3rd ed.\\\' (c) Bruce Eckel 2002 // www.BruceEckel.com. See copyright notice in CopyRight.txt. // edit by nx. class Number { int i; } public class Assignment { public static void main(String[] args) { Number n1 = new Number(); Number n2 = new Number(); n1.i = 9; n2.i = 47; System.out.println("1: n1.i= " + n1.i + ", n2.i= " + n2.i); n1 = n2; System.out.println("2: n1.i= " + n1.i + ", n2.i= " + n2.i); n1.i = 27; System.out.println("3: n1.i= " + n1.i + ", n2.i= " + n2.i); } } RUN: 1: n1.i= 9, n2.i= 47 2: n1.i= 47, n2.i= 47 3: n1.i= 27, n2.i= 27 返回类别: 教程 上一教程: Java中控制台输入数字的解决方式 下一教程: JDBCTM 指南：入门4 - Statement 您可以阅读与"java中的传值与传reference ."相关的教程: · java中的 by value or by reference · JAVA在CLIENT/SERVER网络中的应用 · java中的对象引用问题的再次理解 · Java开发中的线程安全选择与Swing[Z] · 正则表达式在javascript中的几个实例2 |
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