Why are getters and setters used?
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What is fail first in java?
Can we serialize singleton class?
How to convert String into primitive datatype.
Are the imports checked for validity at compile time? Will the code containing an import such as java.lang.abcd compile?
What is update method called?
Can an object be null?
What is the benefit of inner / nested classes ?
Interface A { String test(); } Interface B { int test(); } Create a class AB which must implements both A & B interfaces.
What are internal variables?
How does serialization work
How would you use Bubble Sort to sort the number of elements?
Difference between static methods, static variables, and static classes in Java.