Help with basic java coding - Need to make colored lines (example pic included)(Comp Sci. class)?

Question

My assignment: The
top-right cell requires horizontal lines that are equidistant in the cell. Each line is 10 pixels apart. Additionally, the lines need to be colored randomly in any possible red, green and blue range.

picture example: http://i68.photobucket.com/albums/i35/stxda/example.jpg

I did the top left cell, and my coding was:

----------------
import java.awt.*;
import java.applet.*;
import java.util.*;


public class Lab06G80 extends Applet
{

public void paint(Graphics g)
{
int width = 800;
int height = 600;
g.drawRect(10,10,width,height);
{
g.drawLine(410,10,410,610);
}
{
g.drawLine(10,310,810,310);
}

for (int a = 20; a <= 400; a += 10)
{
g.drawLine(a,20,a,290);
}

}

}
-------------------------

now I need help doing the top right cell.. please help coders!!

Answer 1

public static void main(String[] args) {
Random randomColour = new Random();
for (int a = 1; a <= 10; a += 1)
{
int x=randomColour.nextInt(20);
System.out.println(""+x+"");
if(x<6)
{System.out.println("green");}
//g.setColor(Color.green);
else if(x>=6 && x<=13 )
{System.out.println("red");}
//g.setColor(Color.red);
else
{System.out.println("blue");}
//g.setColor(Color.blue);
}
}
I suppose that your problems were more on the colour randomization, so maybe this coding here should help you out.

Answer 2

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