Controlling Robot Through Java

Hello my good friends, i'm trying to build a Java program that when run controls a robot hand to move blocks. I have got a fair bit of the code working so far but i'm afraid i've run into a bit of a problem with moving the blocks. It just doesn't seem to work.
I have the height of all bars set to 4 and the height of all blocks set to 3. Basically what i need done is to transport each of the blocks in the source pile (column 10) and drop them off on top of the bars – the robot can only drop one…
Controlling Robot Through Java

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