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63 lines (51 loc) · 1.44 KB
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import java.io.*;
import java.util.*;
class Palindrome
{
// Write your code here
private Deque<Character> stack;
private Queue<Character> queue;
public Palindrome() {
stack = new LinkedList<>();
queue = new LinkedList<>();
}
public void pushCharacter(char ch) {
this.stack.push(Character.valueOf(ch));
}
public void enqueueCharacter(char ch) {
this.queue.add(Character.valueOf(ch));
}
public char popCharacter() {
return this.stack.pop().charValue();
}
public char dequeueCharacter() {
return this.queue.poll().charValue();
}
}
public class day18
{
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
String s = sc.nextLine();
Palindrome p = new Palindrome();
char arr[] = s.toCharArray();
for (char c : arr) {
p.pushCharacter(c);
}
for (char c : arr) {
p.enqueueCharacter(c);
}
boolean f = true;
for (int i = 0; i < s.length(); i++) {
if (p.popCharacter() != p.dequeueCharacter()) {
f = false;
break;
}
}
if (f) {
System.out.println("The word, " + s + ", is a palindrome.");
} else {
System.out.println("The word, " + s + ", is not a palindrome.");
}
}
}