the use of private keyword

Question

I am new to programming. I am learning Java now, there is something I am not really sure, that the use of private. Why programmer set the variable as private then write , ge

Answer 1

I highly recommend the book Effective Java, it contains a lot of useful information about how to write better programs in Java.

Your question is addressed in items 13 and 14 of that book:

• Item 13: Minimize the accessibility of classes and members
• Item 14: In public classes, use accessor methods, not public fields