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public class juxing { int a; int b; juxing(int a,int b) { System.out.println("矩形面积s=" + (a*b)); } }
public class juxing1 { public static void main(String[] args) { juxing s = new juxing(5, 6); } }
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原文地址：http://www.cnblogs.com/future-zhenzhen/p/5243710.html
