If yes, check the path which you use to call the class.
For example, if your program looks like this:
...
package proj1.sub2
....
public class abc
....
Then you should use:
java proj1.sub2.abc
instead of just:
java abc
This is the problem I once met, hope it makes some sense for you.
For example, if your program looks like this:
...
package proj1.sub2
....
public class abc
....
Then you should use:
java proj1.sub2.abc
instead of just:
java abc
This is the problem I once met, hope it makes some sense for you.