User manual

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34 ................................. 
37 ...............................
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39 .........................
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42 .......................................................... 
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44 ........................ Java
44 .............................................. 
44 ......................................... 
45 .................................................
45 ........................................ 
46 ..................................
46 ............................................... 
46 ...........................................................
47 ......................................................... 
47 .............................................. 
48 ...........................................
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54 