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ok, so I have two classes: Ticket and passenger passenger class has 3 data members, and one the the ticket data members is: `private Passenger psmgr;` what I want to do is to access passenger's data member using the psmgr variable how do I do that?
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so I have a 2D arry with defaul value 0, and what I want to do is to accept a value from a user to change 0s to 1s depending on the accepted value. for example: we have an arry like this 0000 0000 0000 0000 and the user enters …
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Recently I learnt java as a crash course in a private institue they covered me core and advanced core concepts in java for the version 1.6. Since the lastest version is java 1.7, so which book I should follow for my further improvements to become an ideal Java programmer. 
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