I want to control database connections in my program and want that only one thread should be able to make database connection at a time. How can I implement this logic?
Difference between Preemptive scheduling vs. Time slicing?
What is Hierarchy of exception?
which class to use when concatenating strings in a loop.
what is collections in java?
What is an example of a keyword?
what are depricated methods in threads and explain the lifecycle methods
Explain the difference between jvm and jre?
Is java code slower than native code?
what is the form of storage space in java?
How big is a 32 bit integer?
What is variable and constant explain with example?
how to write a program for chat function using core java