017-003-003

Default Method: Logging Interface

Medium

Problem Description

Default Method: Logging Interface

Learning Objective: Understand and use interface default methods

Use interface default methods to provide common logging functionality.

Input

1 line: Operation name (save or load)

Output

[LOG] Starting: [operation]
[LOG] Completed: [operation]
```java

## Example

Input:
```java
save
```java
Output:
```java
[LOG] Starting: save
[LOG] Completed: save

Test Cases

※ Output examples follow programming industry standards

Input:

save

Expected Output:

[LOG] Starting: save
[LOG] Completed: save

Input:

load

Expected Output:

[LOG] Starting: load
[LOG] Completed: load

❌ 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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