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stringPalindrome.java
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30 lines (26 loc) · 897 Bytes
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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!");
}
}