When I click on the button, the first time, everything works fine, but the second time, nothing happens. Why is that?
I want to stack JComponents vertically, similar to a JList, but since the amount 开发者_运维百科of items is very low and I want a highly custom interface - I wanted to try a vertically stacked set of
近日，陈伟霆受困电梯视频曝光，视频开发者_如何学运维中陈伟霆透露我被困在电梯里面了，且自己的哥哥和工作人员也一起困在其中，当时电梯突然降落，人员来抢救时也一度下坠，最后还协助将受困者一个个拉出来。网友大
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