Reverse a string with stack

package  reverses the string with the stack;   /**  * Use the stack to reverse the string  * @author Administrator  *  */ publicclass ReverseString {  /**  * Define the method to reverse the string  * @param inputString  * @return  */ public String reverseString(String inputString){ Stack stack = new Stack(); for(inti=0;i<inputString.length();i++){  charch = inputString.charAt(i);  stack.push(ch); } String outputString = ""; while(!stack.isEmpty()){ charch = stack.pop();  outputString = outputString+ch; } returnoutputString;  } /**  * main function  * @param args   */ publicstaticvoid main(String[] args) {   System.out .println ( "Original string: hello java!" ); String s = "hello java!"; ReverseString rs = new ReverseString(); String result = rs.reverseString(s); System.out.println("反转后的字符串："); System.out.println(result); } }