What is default constructors?
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Explain a few methods of overloading best practices in java?
Does string is thread-safe in java?
I have one POJO class(Java bean class), it has two variables for that it has setters and getters. Now i have created two objects for that class and i have set the data for those variables through this two objects. Now question is i want check whether those two objects have same data or not, for this write a program? Thanks, Bose.
What is double checked locking in singleton?
In a class implementing an interface, can we change the value of any variable defined in the interface?
What is an example of procedure?
Which is better arraylist or vector?
What is a byte array?
How are variables stored?
How do you add an arraylist to an array in java?
What are the two types of java?
Difference between Superclass and Subclass?