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[java笔记]动态数组

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