at javax.swing.ImageIcon.<init>(Unknown Source)
2017-06-08 23:15
651 查看
添加图片文件到src目录后，记得在资源管理文件刷新一下。
Exception in thread "main" java.lang.NullPointerException
at javax.swing.ImageIcon.<init>(Unknown Source)
at e23_07.ExampleFrame_07.<init>(ExampleFrame_07.java:77)
at e23_07.ExampleFrame_07.main(ExampleFrame_07.java:17)
Exception in thread "main" java.lang.NullPointerException
at javax.swing.ImageIcon.<init>(Unknown Source)
at e23_07.ExampleFrame_07.<init>(ExampleFrame_07.java:77)
at e23_07.ExampleFrame_07.main(ExampleFrame_07.java:17)
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