How to run a java program when a message "java.lang.........method cannot be found" appear
The progam can be compiled with java in my PC which has Windows XP.But it cannot be run.I can sole the problem temperarily by typing "set CLASSPATH" before giving the command to run.But I want to solve the problem permanantly.
How to run a java program when a message "java.lang.........method cannot be found" appears when running?
Using the CLASSPATH Environment Variable
If you use a particular set of classes from one or more jar files regularly, it is convenient to set your CLASSPATH environment variable once, log off, then any time afterwards, you just need to invoke javac or java without specifying the -classpath option (as illustrated in later sections).
* For Windows XP:
1. Right-click on the My Computer icon
2. Select Properties
3. Click on the Advanced tab
4. Click on the Environment Variables button
5. Create a new or edit the old CLASSPATH variable for your login account
6. Add this as a value:
.;PATH
where "." represents the current directory, and "PATH" represents the full path to the jar files you want.
7. Click on OK buttons until you have closed the Properties.
8. Log off, then log back on to ensure that your environment variables are set.
How to run a java program when a message "java.lang.........method cannot be found" appears when running?
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Reply:The above answer looks great! I did the same thing to be able to compile on Command Prompt.
Don't vote for this answer. Second answer added to bring question to a vote.
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