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waiting for help :'(

Mr. copeg..
are you still there?
PLZ Help me.

after i enter the count of robot EX: 2
it ask me for coordinates: EX: 6 -for X- and 5 -for Y-.
it display this message

Exception in thread "main" java.lang.NullPointerException
at...

even with that it's not working.

PLZ I need a help
I have an error while running the Prog.
-------
Exception in thread "main" java.lang.NullPointerException
at Robot.main(Robot.java:20)
-------
this is my code

this...