Tuesday, April 12, 2022

Java Substring

Hackerrank Java Substring By Java Tech Solutionz


Problem:

Given a string, , and two indices,  and , print a substring consisting of all characters in the inclusive range from  to . You'll find the String class' substring method helpful in completing this challenge.

Input Format

The first line contains a single string denoting .
The second line contains two space-separated integers denoting the respective values of  and .

Constraints

  • String  consists of English alphabetic letters (i.e., ) only.

Output Format

Print the substring in the inclusive range from  to .

Sample Input

Helloworld
3 7

Sample Output

lowo

Explanation

In the diagram below, the substring is highlighted in green:

substring.png



Solutons:



public class Solution {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        String S = in.next();
        int start = in.nextInt();
        int end = in.nextInt();
        
        System.out.println(S.substring(start,end));
    }
}

No comments:

Post a Comment

Concurrent Hashmap in java

  A ConcurrentHashMap is a thread-safe implementation of the Map interface in Java. Unlike a HashMap , which is not thread-safe and can ca...