package com.ws.test;/** * 打印乘法口诀表 * @author Administrator * */public class Test01 {		public static void main(String[] args) {		for (int i = 1; i < 10; i++) {			for (int j = 1; j <= i; j++) {				System.out.print(i+"*"+j+"="+(i*j)+"  ");				if(i==j){					System.out.println();				}			}		}	}}

package com.ws.test;import java.io.File;/** * 运用递归，遍历某个目录下的所有文件 * @author Administrator * */public class Test02 {	public static void main(String[] args) {		String path="F:\\Workspaces\\sshuser\\src";		listFile(path);	}		public static void listFile(String path){		File file = new File(path);		if(file.isDirectory()){			File[] files = file.listFiles();			for (int i = 0; i < files.length; i++) {				String fileName = files[i].getName();				if(fileName.trim().toLowerCase().endsWith(".java")){					System.out.println("Files:"+fileName);				}				if(files[i].isDirectory()){					listFile(files[i].getPath());				}			}		}	}}