作为参考,这是我根据dogbane的建议使用的解决方案:
Dimension desktopSize = desktopPane.getSize();Dimension jInternalframeSize = jInternalframe.getSize();jInternalframe.setLocation((desktopSize.width - jInternalframeSize.width)/2, (desktopSize.height- jInternalframeSize.height)/2);



