Java-Programs/String/stringPalindrome.java at master · Gawsan/Java-Programs · GitHub

30 lines (26 loc) · 897 Bytes

package String;

import java.io.*;

public class stringPalindrome {

public static boolean isPalindrome(String s) {

int len = s.length();

if (s.length() == 0)

return false;

for (int i = 0; i < (len / 2); i++) {

if (s.charAt(i) != s.charAt(len - 1 - i))

return false;

}

return true;

}

public static void main(String args[]) throws Exception { // BufferReader Always throw Exception

BufferedReader in = new BufferedReader(new InputStreamReader(System.in));

String str = in.readLine();

// String result=(!isPalindrome(str))?"not palindrome!!":"palindrome!!";

// System.out.print("String is "+result);

// the above Statement is correct but we are creating Unnecessary Object

// which is bad in term of memory space as well as time.

if (!isPalindrome(str))

System.out.print("String is not palindrome!");

else

System.out.print("String is palindrome!");

}

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