randomstr.java

疯狂Java讲义_源码(含Java设计模式CHM

/**
 * Description:
 * <br/>Copyright (C), 2005-2008, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee [e-mail]
 * @version  1.0
 */
public class RandomStr
{
	public static void main(String[] args) 
	{
		//定义一个空字符串
		String result = "";
		//进行6次循环
		for(int i = 0 ; i < 6 ; i ++)
		{
			//生成一个97～122的int型的整数
			int intVal = (int)(Math.random() * 26 + 97);
			//将intValue强制转换为char后连接到result后面
			result = result + (char)intVal;
		}
		//输出随机字符串
		System.out.println(result);
 	}
}