My program compiles but when i run it, main class cannot be found

Question

as you can see, my program TestMaker compiles but when i try running it i get all these errors, i have no idea what's wrong with this
C:\Users\Student\workspace\TestMaker\src>javac TestMaker.java
C:\Users\Student\workspace\TestMaker\src>java TestMaker 514pcp.txt
Exception in thread "main" java.lang.NoClassDefFoundError: TestMaker
Caused by: java.lang.ClassNotFoundException: TestMaker
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
Could not find the main class: TestMaker. Program will exit.
C:\Users\Student\workspace\TestMaker\src>

Answer 1

jgv9a wrote:
So i try
java -cp . TestMaker 514pcp.txt
and get this
C:\Users\Student\workspace\TestMaker\src>java -cp . TestMaker 514.txt
Exception in thread "main" java.lang.NoClassDefFoundError: StdInThat means that you are using a class (StdIn), that is not on your classpath, but in some other place.
The "-cp ." tells Java to ignore the CLASSPATH variable and just look in the current directory instead. You probably had the location of StdIn on your CLASSPATH variable.
What you need to do in this case is to add the current directory "." to your CLASSPATH variable.
Go [learn about the Classpath here|http://java.sun.com/javase/6/docs/technotes/tools/windows/classpath.html].