Palindrome string run time error

#1

I am getting run time error in two of my code test case,what is wrong in my code

#2

@Adhyayan,
Please share your code with me

#3

import java.util.*;
public class Main {
public static void main(String args[]) {
Scanner sc=new Scanner(System.in);
String str=sc.next();
boolean b=palindrone(str);
System.out.println(b);
// Your Code Here
}
public static boolean palindrone(String str1){
boolean b2=false;
int l=str1.length();
if(l==1||str1==""){
b2=true;
return b2;
}
char ch1=str1.charAt(0);
char ch2=str1.charAt(l-1);
if(ch1==ch2){
boolean ans=palindrone(str1.substring(1,l-1));
return ans;
}
else{
return b2;
}

}

}

#4

@Adhyayan,
https://ide.codingblocks.com/s/202611 Corrected code.

The error was that in Java we use .equals to compare a string with another string not ‘==’.

Instead of str1=="" it should be str1.equals("").

#5

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