How to Async Union in Java - Code Snippet

// Task: Async Union
// Language: Java

public class Solution {
    public void asyncUnion() {
    // Implementation for Async Union
    var result = ...; // Initialize variable
    // TODO: Implement core logic here
    // Step 1: Prepare data
    // Step 2: Process Async Union
    System.out.println("Done");
    }
}