import java.util.Scanner; public class Palindrome { public Palindrome(String[] a

Question

import java.util.Scanner;

public class Palindrome {

public Palindrome(String[] args) {
char[]symb = new char[80];
Scanner in = new Scanner(System.in);

int i = 0;
int ch;
while((ch = cs.nextLine().toCharArray()[0]) != 46)
{
symb[i]= (char) ch;
i++;
}

System.out.println(isPalindrome(symb,i));
}

public static boolean isPalindrome(char[] a, int used) {
char[]tmp = new char[a.length];

int ind = 0;
for(int i = 0; i < used - 1; i++) {
if(a[i] != 32) {
tmp[ind]= a[i];
ind++;
}
}

int n = (ind) / 2;

String1 = "";
String2 = "";
for(int i = 0; i < n; i++) {

s1+= a[i];
s2+= a[used - 1 - i];
if(!s1.equalsIgnoreCase(s2)) {
return false;
}
}
return true;
}
}

Explanation / Answer

import java.util.Scanner;
public class Palindrome {
   public Palindrome(String[] args) {
       char[]symb = new char[80];
       Scanner in = new Scanner(System.in);
       int i = 0;
       int ch;
       while((ch = in.nextLine().toCharArray()[0]) != 46){
           symb[i]= (char) ch;
           i++;
       }
       System.out.println(isPalindrome(symb,i));
   }
   public static boolean isPalindrome(char[] a, int used) {
       char[]tmp = new char[a.length];
       int ind = 0;
       for(int i = 0; i < used - 1; i++) {
           if(a[i] != 32) {
               tmp[ind]= a[i];
               ind++;
           }
       }
       int n = (ind) / 2;
       String s1 = "";
       String s2 = "";
       for(int i = 0; i < n; i++) {
           s1+= a[i];
           s2+= a[used - 1 - i];
           if(!s1.equalsIgnoreCase(s2)) {
               return false;
           }
       }
       return true;
   }
}

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