Java的getByte()步骤解析
Java的getByte()方法解析java.security.PrivilegedAction?pa??new?GetPropertyAction(file.encoding)?
Java的getByte()方法解析
- java.security.PrivilegedAction?pa?=?new?GetPropertyAction("file.encoding");??
- String?csn?=?(String)AccessController.doPrivileged(pa);?????
- System.out.println(csn); ?