The method computeArea calculates and returns the area of the polygon using a specific formula. It considers the number of vertices and the x-values of the first and last vertices. The method ...

You are given n rectangles represented by a 0-indexed 2D integer array rectangles, where rectangles[i] = [widthi, heighti] denotes the width and height of the ith rectangle. Two rectangles i and j (i ...

I'm learning Java by writing a Mandelbrot program. I can draw the image, then use the mouse to choose an area to magnify. Works great, except... When I choose the area to magnify (mouse down, move ...