How does weightx and weighy y work?
Also, i've read some previous posting which said that if fill=GridbagContraints.BOTH, the ipadx and ipady are not irrelevant. But I've tried it and it seemed to me that ipadx and ipady do not affect the appearance of the component if fill=GridbagContraints.BOTH.

Thanx...

Jerson

For example, if there are two components in a row and one has weigh 5 and the other 10, then the total is 15 so the first one occupies one third of the space and the other one, the other two thirds.

Does weightx and weighty affect the size of the component? Because actually what's resizing is the cell and not the component. The size of the component will only be affected if the fill is not NONE. So my question is it right to say that weightx and weighty affects the size of the component.

So what you said is correct in this regard. The individual cell gets resized ,when the container is resized according to their weightx/y values. Whether the component inside it uses the full cell ,depends on the GridBagConstraints.fill value. If a particular component's GrifBagConstraints.fill value was NONE when it was added to the container,then you can see the component's size remains same at all the time , but the containing cell gets resized.

So the final verdict is ,the fill attribute says whether to stretch or not/ if stretched in which way only. How much the component gets resized depends on its own weithtx/weighty value. So we can say that
weightx/weighty affects the size of the component
regds
maha anna

Thanks for your patience.

Also one more point.
All components in a row will have same height.
Each row can have diff heights.
Each col can have diff widths.
All components in a col will have same width.
This uniform height for a row / uniform width for a col is determined by the following rule.

The height of a component in a row is the maximum height of all the components in row by looking at their preferredSize().height + 2 times ipady.

Simillarly,the width of a component in a col is the maximum width of all the components in col by looking at their preferredSize().width + 2 times ipadx.

Because at present the uniform height of a row can be a particular value. But we can't gurantee that it will remain same at all times right? When one more component is added with larger preferredSize().height/width then all the components size (height/width) are changed to have this new width/height. When a new component is added with smaller preferred width/height , all the other component's size do not change. But this new comp's width/height will set to the already existing uniform height/width.

So we can say a size of a component (width/height) is also affected by the preferredSize().width /preferredSize.height of other components in the SAME row/col.(though it is not one of fields of GridBagConstraints class)
regds
maha anna