eclipse - How to add resizing slider to rectangle shape in java? -


here rectangle shape code:

 if(rect){     gphcs.setcolor(color.blue);     if(orangeshp)         gphcs.setcolor(color.orange);     if(greenshp)         gphcs.setcolor(color.green);     gphcs.fillrect(20,35,100,30); }

i want to add resizing slider in order change size of rectangle.

here sample pic of slider want add:

enter image description here

i need simple code create slider.

thanks time..

jslider size = new jslider(jslider.horizontal, 0, 250, 100);

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