Example: GreatestOfThreeUsingMathMax in Java

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// GreatestOfThreeUsingMathMax
import java.util.Scanner;

// Main class containing the entry point of the program
public class Main {
    public static void main(String[] args) {
        // Step 1: Create a Scanner object
        Scanner scanner = new Scanner(System.in);

        // Step 2: Get three numbers from the user
        System.out.print("Enter the first number: ");
        int num1 = scanner.nextInt();

        System.out.print("Enter the second number: ");
        int num2 = scanner.nextInt();

        System.out.print("Enter the third number: ");
        int num3 = scanner.nextInt();

        // Step 3: Use Math.max() to find the greatest number
        int greatest = Math.max(num1, Math.max(num2, num3));

        // Step 4: Print the result
        System.out.println(greatest + " is the greatest number.");

        // Step 5: Close the scanner
        scanner.close();
    }
}