AreaCalculatorIncomplete

import java.util.Scanner;

public class AreaCalculator{

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

    //invoke the menu method to print the menu
    //the user's int choice is returned and stored in choice
    int choice = menu();

    if( choice == 1 ){
      System.out.print("Base: ");
      int b = kb.nextInt();
      System.out.print("Height: ");
      int h = kb.nextInt();
      System.out.println("The area is " + areaTriangle(b,h) );
    }
  }

  //Method to calculate area of a Triangle
  //calculation is done by .5 * b * h
  public static double areaTriangle( int base, int height ){
    return .5 * base * height;
  }

  //Method to choose which shape to calculate the area of
  //returns the user's choice as an int
  public static int menu(){
    Scanner kb = new Scanner(System.in);

    //Prompt the user and print his/her options
    System.out.println("1) Triangle");
    System.out.println("2) Rectangle");
    System.out.println("3) Square");
    System.out.println("4) Circle");
    System.out.println("5) Quit");
    System.out.print("Which shape: ");

    //get the user's int choice and return it
    int choice = kb.nextInt();
    return choice;
  }
}