Java

Problem 01

Welcome to Java!

• Print Hello, World. on the first line
• Print Hello, Java. on the second line

Solution

public class Solution {
    
    public static void main(String[] args) {
        System.out.println("Hello, World");
        System.out.println("Hello, Java");
    }
}

Problem 02

Java Stdin and Stdout

Read 3 integers from stdin and then print them to stdout. Each integer must be printed on a new line. To make the problem a little easier, a portion of the code is provided for you.

import java.util.*;

public class Solution {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        // Complete this line
        // Complete this line

        System.out.println(a);
        // Complete this line
        // Complete this line
    }
}

Input Format

42
100
125

Sample Output

42
100
125

Solution

import java.util.*;

public class Solution {

    public static void main(String[] args) {
    Scanner scan = new Scanner(System.in);
    int a = scan.nextInt();
    int b = scan.nextInt();
    int c = scan.nextInt();
        
    System.out.println(a);
    System.out.println(b);
    System.out.println(c);
  }
}