Java | Packages | Question 1

Which of the following is/are true about packages in Java?

1) Every class is part of some package. 
2) All classes in a file are part of the same package. 
3) If no package is specified, the classes in the file 
   go into a special unnamed package 
4) If no package is specified, a new package is created with 
   folder name of class and the class is put in this package. 

(A) Only 1, 2 and 3
(B) Only 1, 2 and 4
(C) Only 4
(D) Only 1 and 3

Answer: (A)
Explanation: In Java, a package can be considered as equivalent to C++ language’s namespace.
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