摘要:
public class StringBuilder_and_StringBuffer { private static long SystemTime(){ return System.currentTimeMillis(); } private static void TString(){ long begin=SystemTime(); Str... 阅读全文
摘要:
public static void main(String[] args) { // TODO Auto-generated method stub /* * 使用for循环遍历数组 * int arr[]=new int[]{}; int arr1[][]={{1,2,3,4,5,6,7,8,9},{2,3,6,8,7},{8,5,9,6,7}}; for (int i... 阅读全文