Thread: Can't add a method without getting errors

Hey I want to add the following method...

	private static double Calculations(String Operator)
{
	return
}

... to this program as follows (down at the bottom of this snippet)

import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
 
 
 
class MyFrame extends JFrame
{
		JTextField ScreenOut;
		JTextField ScreenIn;
 
	public MyFrame()
	{
		//frame settings
		setVisible (true);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setTitle("trololo");
		setLocation(300,300);
		setSize(300, 300);
 
		//declarations
		JButton[][] Keypad = new JButton[4][4];
		String[][] KeypadLabels = {{"7","4","1","0"},{"8","5","2","C"},{"9","6","3","!"},{"+","-","*","="}};
		JMenuBar Toolbar = new JMenuBar();
		JMenu Options = new JMenu("Options");
		JPanel Section1 = new JPanel();
		JPanel Section2 = new JPanel();
		JPanel Section3 = new JPanel();
 
 
		//containers
		java.awt.Container c = getContentPane();
		c.setLayout(new java.awt.FlowLayout());
		ScreenOut = new JTextField("", 15);
		ScreenIn = new JTextField("", 15);
		Section1.setLayout(new java.awt.FlowLayout());
		Section1.add(ScreenIn);
		Section2.setLayout(new java.awt.GridLayout(4,4));
		Section3.setLayout(new java.awt.FlowLayout());
		Section3.add(ScreenOut);
		c.add(Section1);
		c.add(Section2);
		c.add(Section3);
		Toolbar.add(Options);
		setJMenuBar(Toolbar);
 
 
		//keypad
		for (int col =0; col<4;col++)
		{
			for (int row = 0; row<4;row++)
			{
				Keypad[col][row] = new JButton("");
				Section2.add(Keypad[col][row]);;
				Keypad[col][row].setLabel(KeypadLabels[row][col]);
			}
		}
 
		//add functionality to numbers
		for (int col=0;col<3;col++)
		{
			for (int row=0; row<3;row++)
			{
				Keypad[col][row].addActionListener(
						new ActionListener()
					{
 
						public void actionPerformed(ActionEvent e)
							{
								JButton b = (JButton) e.getSource();
								String Input = b.getLabel();
								String Original = ScreenIn.getText();
								ScreenIn.setText(Original + Input);
							}
					});
			}
		}
 
		Keypad[3][0].addActionListener(
			new ActionListener()
			{
				public void actionPerformed(ActionEvent e)
				{
					String Input = "0";
					String Original = ScreenIn.getText();
					ScreenIn.setText(Original + "0");
				}
			} );
 
			//add functionailty to operators
		for (int count=0; count<4; count++)
			{
				Keypad[count][3].addActionListener(
					new ActionListener()
					{
						public void actionPerformed(ActionEvent e)
						{
							JButton b  = (JButton) e.getSource();
							String s = b.getLabel();
//							Calculations(s);
						}
					} ) ;
			}
	}
 
////	private static double Calculations(String Operator)
////	{
////				return
////	}   //this is line 109
 
}//this is line 111

class calculator
{
	public static void main(String Args[])
	{
		MyFrame f1 = new MyFrame();
	}
}

Whenever I uncomment the method I get the following error

--------------------Configuration: <Default>--------------------
C:\Users\Peter\Documents\Peter\University\CSC 1011\Calculator\MyFrame.java:109: illegal start of expression
}
^
C:\Users\Peter\Documents\Peter\University\CSC 1011\Calculator\MyFrame.java:111: reached end of file while parsing
}
Process completed.

I don't understand why though, whats wrong?
Thanks in advance

Originally Posted by KevinWorkman

You need a semicolon after return.

But even if you fix that error, you still need to return a double from that method.

Thanks, just made it return 1.2; for testing purposes.