stringtrans.java

JAVA写的字符串反转,StringTranstion

import java.io.*;
public class StringTrans
{
    public static void main(String args[])
    {
	String str_input="";

	String str_prompt="Please enter a string：";
	System.out.println(str_prompt);

	try
	{
	    BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
	    str_input = in.readLine();
	}catch(IOException e){}
	
	StringBuffer str_trans = new StringBuffer();
	int str_input_length = str_input.length();     //获取输入的字符串长度
	
	
	for(int i = str_input_length-1 ; i>=0 ; i--)
	{
	    str_trans.append(str_input.charAt(i));
	//    System.out.println(str_input.charAt(i));		//charAt(i)获取指定位置字符
	}
	System.out.println("倒转后字符串为:"+str_trans);
	
    }
}