1、Access restriction: The type JFrame is not accessible due to restriction on required library (2014-
http://blog.sina.com.cn/s/blog_6f901d670101ixyo.html
2、eclipse上安装使用Swing界面绘制插件WindowBuilder (该次用线上下载包)
https://blog.youkuaiyun.com/shouhouxinling/article/details/78892304
3、Launch configuration match references non-existing project match.(删除某个项目后编译路径一直变成那个已删项目的编译路径)
https://blog.youkuaiyun.com/llixiangjian/article/details/71512816?utm_source=blogxgwz6
4、在Java的JFrame中,Button按钮不能正常显示东西而显示…问题(长宽小不显示文字)
https://blog.youkuaiyun.com/bless924295/article/details/78198722
5、javax.crypto.Cipher; javax.crypto.KeyGenerator;这两个类库在哪?
https://wenda.so.com/q/1460880098722082?src=170
6、Eclipse 调不出console
重新配置窗口
7、无法引用 org.apache.commons.codec.binary.Base64;
下载一个http://commons.apache.org/codec/,将jar文件放在项目的libs文件夹下,再用Ant编译一遍就可以了
在根目录下建立libs文件夹,放入jar, build path