java code help please?

i got the code i put up before down to one error it sais

NestedSquaresComponent.java:40: error: 'else' without 'if'

else if (holdColor = Color.BLUE);

^

1 error

my code is

import java.awt.*;

import javax.swing.*;

/**

A component that draws two rectangles.

*/

public class NestedSquaresComponent extends JComponent

{

public void paintComponent(Graphics g)

{

//create rectangle

Rectangle box = new Rectangle();

int x = 5;

int y = 5;

final int OFFSET = 25;

Color holdColor = Color.BLUE;

// Recover Graphics2D

Graphics2D g2 = (Graphics2D) g;

// Determine the size of the first square

// Set it to the smallest of the width and height,

// minus 10 for spacing between the square an the border

int size = Math.min(this.getWidth(), this.getHeight()) - 10;

box = new Rectangle(x, y, size, size);

g2.setColor(holdColor);

g2.fill(box);

// second square

while (size >= 10);

{

size = size - (OFFSET * 2);

x = x + OFFSET;

y = y + OFFSET;

box = new Rectangle(x, y, size, size);

if (holdColor = Color.ORANGE);

holdColor = (Color.BLUE);

else if (holdColor = Color.BLUE);

holdColor = (Color.ORANGE);

g2.fill(box);

size++;

}