摘要:
1.clock_demo1.java,时间有点不准,望指正public class clock_demo1 extends JFrame { private static final long serialVersionUID = 6790815213225162093L; Timer ... 阅读全文
摘要:
private static void IPsort(String str) { //1,在所有数字前加两个0 str=str.replaceAll("(\\w+)", "00$1"); //2,保留三位数字,倒数 str=str.replac... 阅读全文