发生异常:java.io.FileNotFoundException: J_BufferedInputStream.class (系统找不到指定的文件。)
java.io.FileNotFoundException: J_BufferedInputStream.class (系统找不到指定的文件。)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(FileInputStream.java:138)
at java.io.FileInputStream.<init>(FileInputStream.java:97)
at J_BufferedInputStream.main(J_BufferedInputStream.java:16)