Assignemnt #97 area.java

Code

    /// Name: Boris Kazantsev
    /// Period: 6
    /// Program Name: area
    /// File Name: area.java
    /// Date Finished: 3/28/2016
    
    import java.util.Scanner;
import java.util.InputMismatchException;

public class area{
    static Scanner keyboard = new Scanner(System.in);
    
    public static void main(String[] args){
        String read = "";
		float finalArea,n1,n2 = 0;
        do{
            finalArea = 0;
            System.out.println("=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=");
            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.println("=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=");
            
            System.out.print("Choice: ");
            read = keyboard.next();
            
            try{
                switch(read){
                    case "1":
                        System.out.print("Base: ");
                        n1 = keyboard.nextFloat();
                        System.out.print("Height: ");
                        n2 = keyboard.nextFloat();
                        finalArea = triangleArea(n1,n2);
                        break;
                    case "2":
                        System.out.print("Base: ");
                        n1 = keyboard.nextFloat();
                        System.out.print("Height: ");
                        n2 = keyboard.nextFloat();
                        finalArea = rectangleArea(n1, n2);
                        break;
                    case "3":
                        System.out.print("Side: ");
                        n1 = keyboard.nextFloat();
                        finalArea = squareArea(n1);
                        break;
                    case "4":
                        System.out.print("Radius: ");
                        n1 = keyboard.nextFloat();
                        finalArea = circleArea(n1);
                        break;
                    default:
                        read = "ERROR";
                }
            }
            catch (InputMismatchException e)
            {
                read = "ERROR";
            }
            if (!read.equals("error") && !read.equals("5")) System.out.println("\nThe area is "+finalArea+".\n");
			if (read.equals("error")) System.out.println("WRONG INPUT, TRY AGAIN!!!");
        }
        while (!read.equals("5"));
        
        System.out.println("BYE");
    }
    
    static float triangleArea(float b , float h){
        return b*h*.5f;
    }
    static float rectangleArea(float l, float w){
        return l*w;
    }
    static float squareArea(float s){
        return s*s;
    }
    static float circleArea(float r){
        return r*r*(float)Math.PI;
    }
}
        
            
        


   
    

Picture of the output