问题描述
我有一个很小的程序,里面只有一个java文件,里面有main方法。我通过javac Program.java
和java Program.java
在Ubuntu终端中测试了该程序,一切都很好。然后,我使用rsync将项目目录发送到在VM中运行的FreeBSD。在那里我做了javac Program.java
,但是当我运行java Program.java
时却找不到主要的。这是一些CLAsspATH的东西-我需要在VM机器上的JDK中进行配置吗?
hk222su@freebsd-vm-group25:/home/hk222su % ls
groupAssignment1 Program.class Program.java Received
hk222su@freebsd-vm-group25:/home/hk222su % rm Program.class Program.java
hk222su@freebsd-vm-group25:/home/hk222su % ls
groupAssignment1 Received
hk222su@freebsd-vm-group25:/home/hk222su % cd groupAssignment1
hk222su@freebsd-vm-group25:/home/hk222su/groupAssignment1 % ls
1dv512_group25_assignment1.iml out screenshots some_notes src
hk222su@freebsd-vm-group25:/home/hk222su/groupAssignment1 % cd src
hk222su@freebsd-vm-group25:/home/hk222su/groupAssignment1/src % ls
Program.class Program.java
hk222su@freebsd-vm-group25:/home/hk222su/groupAssignment1/src % javac Program.java
hk222su@freebsd-vm-group25:/home/hk222su/groupAssignment1/src % java Program.java
Error: Could not find or load main class Program.java
hk222su@freebsd-vm-group25:/home/hk222su/groupAssignment1/src % java Program.java
Error: Could not find or load main class Program.java
hk222su@freebsd-vm-group25:/home/hk222su/groupAssignment1/src % javac Program.java
hk222su@freebsd-vm-group25:/home/hk222su/groupAssignment1/src % java Program.java
Error: Could not find or load main class Program.java
hk222su@freebsd-vm-group25:/home/hk222su/groupAssignment1/src %
解决方法
运行编译后的程序时,使用
java Program
代替
java Program.java