so i need help finishing my histogram plz help

[cachico12]

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;


public class MyProject
{
public class MyGraph extends JFrame
{
DrawPanel drawArea=new DrawPanel();
int winWidth;
int winHeight;

public MyGraph()
{
setTitle("Name popularity ");
getContentPane().add(drawArea);
drawArea.setBackground(new Color(0,255,0));
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
pack();
}

class DrawPanel extends JPanel
{
public DrawPanel()
{
winWidth=400;
winHeight=400;

setPreferredSize(new Dimension(winWidth,winHeight));
}
protected void paintComponent (Graphics g)
{
super.paintComponent (g);
double xmin=-2*Math.PI;
double xmax=8*Math.PI;
double ymin=-2;
double ymax=2;
double x,y,xold,yold;
MyWorld w2p= new MyWorld(xmin,xmax,ymin,ymax,300,300);
}
public class FileInput

{
public static void main(String[]args) throws IOException
{
BufferedReader kb_in=new BufferedReader(
new InputStreamReader(System.in));
System.out.print("Enter the name of the file to be read:");
String filename=kb_in.readLine();
BufferedReader file_in=new BufferedReader(
new FileReader(filename));
System.out.println("Contents of file:");
String line=file_in.readLine();
while(line !=null)
{
System.out.println(line);
line=file_in.readLine();
}
}
}
}
}
}

[sunde887]

Please give more details and edit your post to have your code in code tags.

To add code tags do this
[code]
YOUR CODE HERE
[/code]

As to giving more advice, please provide exact error message if there are errors, and also ask some specific questions rather than just dumping code.