013-002-003

Numeric Wrapper Classes: Using Integer and Double

Easy

Problem Description

Numeric Wrapper Classes: Using Integer and Double

Learning Objective: Understand basic usage of numeric wrapper classes like Integer and Double

Overview

Use Integer and Double classes to convert strings to numbers and perform basic operations.

Specifications

Convert string to integer: Integer.parseInt()
Convert string to double: Double.parseDouble()
Get maximum value: Integer.MAX_VALUE

Input

An integer string and a decimal string are provided

Output Format

Integer: 42
Double: 3.14
Max Integer: 2147483647

Test Cases

※ Output examples follow programming industry standards

Input:

42
3.14

Expected Output:

Integer: 42
Double: 3.14
Max Integer: 2147483647

Input:

100
2.5

Expected Output:

Integer: 100
Double: 2.5
Max Integer: 2147483647

❌ Some tests failed

❌ エラー発生

Your Solution

Current Mode:● My Code

import java.util.Scanner;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    // Write your code here

    sc.close();
  }
}

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