//import java.util.Arrays; //包含Arrays //import java.util.Random; public class HelloWorld { public static void main(String[] args){ // Scanner s = new Scanner(System.in); // System.out.println("请输入一个数字"); // int num = s.nextInt(); YanghuiSanjiao(
import java.util.regex.Matcher; import java.util.regex.Pattern; /** * @author lei * 2011-9-2 */ public class StringUtils { public static String replaceBlank(String str) { String dest = ""; if (str!=null) { Pattern p = Pattern.compile("\\s*|