JSplitPane splitting 50% precisely

Question

In Swing, what\'s the best way to make the JSplitPane to split two jpanels with 50% size each.

It looks like if I don\'t set preferred sizes on the panels it always make

Answer 1

Use

setResizeWeight(.5d);

[...] A value of 0, the default, indicates the right/bottom component gets all the extra space (the left/top component acts fixed), where as a value of 1 specifies the left/top component gets all the extra space (the right/bottom component acts fixed). [...]