Example: Left-Aligned Alphabet Triangle in Java in Java

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// Left-Aligned Alphabet Triangle
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        System.out.print("Enter the number of rows for the left-aligned triangle: ");
        int rows = scanner.nextInt();

        // Outer loop for each row
        for (int i = 0; i < rows; i++) {
            // Inner loop to print increasing alphabets
            for (int j = 0; j <= i; j++) {
                System.out.print((char) ('A' + j));
            }
            System.out.println(); // Move to the next line
        }

        scanner.close();
    }
}