Verified answer

import java.util.Scanner;

public class Triangle {

   private double a;

   private double b;

   public Triangle(double a, double b) {

       this.a = a;

       this.b = b;

   }

   public double getArea() {

       return a * b / 2;

   }

   public static void main(String[] args) {

       Scanner sc = new Scanner(System.in);

       System.out.print("Enter the first cathetus: ");

       double a = sc.nextDouble();

       System.out.print("Enter the second cathetus: ");

       double b = sc.nextDouble();

       Triangle triangle = new Triangle(a, b);

       System.out.println("The area of the triangle is: " + triangle.getArea());

   }

}