java二维数组怎么复制，，arraycopy方法行吗？麻烦给个例子。谢啦

java的多维数组的copy：希望采纳 class C{ public static void main(String args[]){ int a[][] = {{1,2,3},{4,5,6}}; int b[][] = new int[a.length][a[0].length]; System.arraycopy(a,0,b,0,a.length); //通过arraycopy()函数拷贝数组 b[0][0] =