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/**
* @(#)ReverseString.java
*
* ReverseString application
*
* @author
* @version 1.00 2010/4/20
*/
import java.util.*;
import java.io.*;

public class ReverseString {


public static void main(String[] args) throws IOException{

// TODO, add your application code
String orginal;
System.out.println("Please input the string to reverse:\n");
Scanner in=new Scanner(System.in);
orginal=in.nextLine();


char[] ch=orginal.toCharArray();
//²ÉÓÃÖ±½Ó·´×ª
/*
char[] b=new char[ch.length];
for(int i=0;i<ch.length;i++){
b[i]=ch[ch.length-1-i];
}

for(int i=0;i<ch.length;i++){
System.out.print(b[i]);
}
*/

/*
char temp;
for(int i=0;i<ch.length/2;i++){
temp=ch[i];
ch[i]=ch[ch.length-1-i];
ch[ch.length-1-i]=temp;
}

for(int i=0;i<ch.length;i++){
System.out.print(ch[i]);
}
*/

//ÓÃÕ»À´ÊµÏÖ
Stack st=new Stack();
for(int i=0;i<ch.length;i++){
st.push(ch[i]);
}

for(int i=0;i<ch.length;i++){
System.out.print(st.pop());
}


}
}

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