1. array copy
System.arraycopy(source, sourcePos, des, desPos, len);
time complexity: O(len)
2.
Java中的一些方法
转载于:https://www.cnblogs.com/warmland/p/5657047.html
1. array copy
System.arraycopy(source, sourcePos, des, desPos, len);
time complexity: O(len)
2.
转载于:https://www.cnblogs.com/warmland/p/5657047.html