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Today, we’re getting started with Exceptions by learning how to parse an integer from a string and print a custom error message. Check out the Tutorial tab for learning materials and an instructional video!

Read a string, , and print its integer value; if  cannot be converted to an integer, print Bad String.

Note: You must use the String-to-Integer and exception handling constructs built into your submission language. If you attempt to use loops/conditional statements, you will get a  score.

Input Format

A single string, .


  • , where  is the length of string .
  •  is composed of either lowercase letters () or decimal digits ().

Output Format

Print the parsed integer value of , or Bad String if  cannot be converted to an integer.

Sample Input 0


Sample Output 0


Sample Input 1


Sample Output 1

Bad String


Sample Case  contains an integer, so it should not raise an exception when we attempt to convert it to an integer. Thus, we print the .
Sample Case  does not contain any integers, so an attempt to convert it to an integer will raise an exception. Thus, our exception handler prints Bad String.

Solution :

import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {

    public static void main(String[] args) {
        Scanner in = new Scanner(;
        String S =;
    }catch(Exception e)
            System.out.println("Bad String");
String to Integer HackerRank day 16 solution

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