Description Resource Path Location Type
Access restriction: The type JOptionPane is not accessible due to restriction on required library C:\Program Files\Java\jre1.8.0_20\lib\rt.jar dialog.java /myjava3/src line 4 Java Problem
环境变量 ：
java_home=C:\Program Files\Java\jdk1.8.0_20 classpath=%JAVA_HOME%\lib\tools.jar;%JAVA_HOME%\lib\dt.jar;
path=%JAVA_HOME%\bin;
