Answer Happy

Here are following requirements to completing Menu shapes:
Create menu that have 5 options
1. Filled Triangle
2. Filled Inverted Triangle
3. Square
4. Bow Tie
5.Exit
With the following requirements:
a. case statements for each menu
option 1,2,3,4,5
b. User input user to enter the height (the
amount of rows) of your shape or you can ask them to
enter the width and height of your shape.
c. while loop or do/while loop
d. for loop for each shape
e. functions for each shape
HERES WHAT I HAVE SO FAR:
import java.util.Scanner;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.JOptionPane;
import javax.swing.JOptionPane;
public class menulab {
public static void main(String[] args)
{
// TODO Auto-generated method
stub


System.out.println("+-------------------------------+");

System.out.println("|
Lab 5
|");
System.out.println("|
Menu Application
|");

System.out.println("+-------------------------------+");

System.out.println("");


//Display menu

System.out.println("This
program allows you to select multiple shapes ");
System.out.println("");
System.out.println("1. Filled
Triangle ");
System.out.println("2. Filled
Inverted Triangle ");
System.out.println("3. Square
");
System.out.println("4. Bow
Tie ( extra credit) ");
System.out.println("5. Exit
");
System.out.println("");
String[] optionstochoose =
{"Filled Triangle", "Filled Inverted Triangle", "Square", "Bow
Tie", "Exit"};

String shapeoption = (String)
JOptionPane.showInputDialog(

null,

"Check the console screen and select from
the 5 options ",

"Choose an option",

JOptionPane.QUESTION_MESSAGE,

null,

optionstochoose,

optionstochoose[5]);

System.out.println(" You
choose Option: " + shapeoption);


Scanner sc=new
Scanner(System.in);
int choice=sc.nextInt();
switch (choice)
{
case 1: // Filled
Triangle

System.out.println("Enter the height of the filled triangle
between (2 - 50); ");
int
rows=sc.nextInt();

while (rows < 2 || rows > 50)

{

System.out.println("Enter the number of lines between (2 -
50); ");

int numlines=sc.nextInt();
}

int i,
j;
for (i = 1; i
<= rows; i++);{

for (j =
1; j <= i; j++) {

}

System.out.printf("*");
}
break;

case 2: // Inverted filled
triangle
break;

case 3: //Need a different
triangle here

for(int i = 1;
i <= rows; i++);
{

//For adding the right amount of spaces

int x = 0;
//Prints the first set of asterisks

for(j = i; j > 0; j--);

{

System.out.printf("*");

x+=2;

}

//Prints the spaces

for(int f = 0; f < (rows * 2) - x; f++)

{

System.out.printf("");

}
// Prints the second set

for(int l = i; l > 0; l--)

{

System.out.printf("*");

}
}

break;

case 4:

System.out.printf("Exiting ...");
return;
break;

}



while (choice >= 1
&& choice <= 4);
return;


}
}
I need help refining the code. here's a picture of what the bow tie should look like.
* * * ¥ * * * * * ¥ ¥ * * *