import java.awt.*;
import javax.swing.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.*;import java.io.*;
import javax.swing.*;import javax.imageio.*;
import java.awt.Color;
import java.awt.Graphics;
 
public class GridBags extends JFrame{
 
 
	JPanel thePanel;
 
	public GridBags(){
		super();
 
 
		//general settings
		this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
		this.setSize(1000, 500);
 		this.setResizable(false);
 		this.setTitle("Biology Review Program");
 		this.setVisible(true);
 		this.setLayout(new GridBagLayout());
 
		initComponents();
 
	}
 
	public void initComponents(){
 
 
 
 
 
		//This variable is changed to allow us to place buttons
		//and other components flexibly on the page.
		GridBagConstraints c = new GridBagConstraints();
		c.fill = GridBagConstraints.NONE;
 
		JButton lesson = new JButton("Lessons");
		c.gridwidth = 1;
		c.gridheight = 1;
		c.gridx = 1;
		c.gridy = 500;
		this.add(lesson, c);
		lesson.addActionListener(new ActionListener() {
 
            public void actionPerformed(ActionEvent e){
				System.out.println("You clicked for Lesson?");
 
            }
        });  
 
		//create the myCreature object
		thePanel = new JPanel();
		//set the size and background of the panel
		thePanel.setPreferredSize(new Dimension(700, 500));
		thePanel.setBackground(new java.awt.Color(0, 0, 0));
		//add the panel to the pane
		c.gridwidth = 2;  //six "buttons" wide
		c.gridheight = 1;
		c.gridx = 3;		//left most
		c.gridy = 1;		//top most
		this.add(thePanel, c);
 
		JButton quiz = new JButton("Quiz");
		c.gridwidth = 1;
		c.gridheight = 1;
		c.gridx = 2;
		c.gridy = 500;
		this.add(quiz, c);
		quiz.addActionListener(new ActionListener() {
 
            public void actionPerformed(ActionEvent e){
				System.out.println("You clicked for Quiz?");
 
            }
        });  
 
 
		JButton help = new JButton("Help");
		c.gridwidth = 1;
		c.gridheight = 1;
		c.gridx = 3;
		c.gridy = 500;
		this.add(help, c);
		help.addActionListener(new ActionListener() {
  [COLOR="#FF0000"]	Image img=null;
    		try {img=ImageIO.read(new File("help.jpg"));}
  			catch(IOException e)
      	    {System.out.println("ok");System.exit(0);}
    		g.drawImage(img,200,0,this);[/COLOR]
 
 
                 public void actionPerformed(ActionEvent e){
				System.out.println("You clicked for Help?");
 
            }
        });  
 
 
	}
 
 
 
	public static void main(String[] args){
 
		GridBags example = new GridBags();
		example.pack();
		example.show();
	}
 
 
 
 
 
}

pi = 4/1 + 4/3 - 4/5 + 4/7 ...

double pi = 0.0;
				long divisor = 1;
				boolean positive = false;
 
				for(long i = 0; i < Long.MAX_VALUE; i++)
				{
					double n = ((double)4 / (double)divisor);
					if(positive)
						pi -= n;
					else
						pi += n;
					positive = !positive;
					divisor += 2;
				}
 
				print("Pi calculated as: " + pi);

import java.util.LinkedList;
 
public class justTrying{
	public static void main(String[]args){
 
 Integer[] stuff = {};
   String sum1 = "7316717653133062491922511967442657474235534919493496983520312774506326239578318016984801869478851843858615607891129494954595017379583319528532088055111254069874715852386305071569329096329522744304355766896648950445244523161731856403098711121722383113622298934233803081353362766142828064444866452387493035890729629049156044077239071381051585930796086670172427121883998797908792274921901699720888093776657273330010533678812202354218097512545405947522435258490771167055601360483958644670632441572215539753697817977846174064955149290862569321978468622482839722413756570560574902614079729686524145351004748216637048440319989000889524345065854122758866688116427171479924442928230863465674813919123162824586178664583591245665294765456828489128831426076900422421902267105562632111110937054421750694165896040807198403850962455444362981230987879927244284909188845801561660979191338754992005240636899125607176060588611646710940507754100225698315520005593572972571636269561882670428252483600823257530420752963450";
	LinkedList<Integer>li = new LinkedList<Integer>();
 
   for(int i = 0;i<sum1.length();i++){
	   int n = Integer.parseInt(sum1.substring(i, i+1));
	   li.add(n);
	   }
   stuff = li.toArray(new Integer[li.size()]);
   for(int j = 0;j<stuff.length-5;j = j+5){
	   System.out.println(stuff[j]*stuff[j+1]*stuff[j+2]*stuff[j+3]*stuff[j+4]);
   }
		}
	}