013-001-003

String Handling Class: Message Formatting

Medium

Problem Description

String Handling class: Message Formatting

In this problem, you will create a program that uses String class methods (toUpperCase(), length(), substring()) to convert a string to uppercase, get its length, and extract the first 3 characters, then displays each result to standard output.

Learning Objective: Understand basic String class operations

Create a program that inputs a string and displays uppercase, length, and substring.

Input

Line 1: String

Output

Original: [original string]
Upper: [uppercase]
Length: [length]
First 3: [first 3 characters]

Example

Input:

hello

Output:

Original: hello
Upper: HELLO
Length: 5
First 3: hel

Test Cases

※ Output examples follow programming industry standards

Input:

hello

Expected Output:

Original: hello
Upper: HELLO
Length: 5
First 3: hel

Input:

world

Expected Output:

Original: world
Upper: WORLD
Length: 5
First 3: wor

Input:

Java

Expected Output:

Original: Java
Upper: JAVA
Length: 4
First 3: Jav

Input:

Python

Expected Output:

Original: Python
Upper: PYTHON
Length: 6
First 3: Pyt

❌ 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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