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| import javax.swing.JOptionPane;
public class a4 { public static void main(String args[]) { String str = JOptionPane.showInputDialog(null,"Enter a 5-digi integer"); int len = str.length(); int len2 = len; String tmpStr = str;
boolean flag = true; for(int i = 0; i < len; i++) { if ( str.charAt(i) != tmpStr.charAt(--len2) ) { flag = false; break; } }
String tmp = ""; if (!flag) { tmp = "not"; }
JOptionPane.showMessageDialog(null, str + " is " + tmp + " a palindrome"); } }
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