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private int count;//计数器
private int ary[] = new int [3];
if(count >= ary.length){ //数组动态扩展 int newlen = (ary.length*3)/2 + 1; underwears = Arrays.copyOf(ary, newlen); } count++;
[java笔记]动态数组
原文地址：http://www.cnblogs.com/julyme/p/4224747.html
