Why does java doesnt suuport unsigned values?
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Why does java have different data types for integers and floating-point values?
Why do we need singleton?
4.1 Supply contracts (in the form of comments specifying pre- and post conditions) for the enqueue() method of the LinkedQueue class given in the Appendix. (2) 4.2 Let Thing be a class which is capable of cloning objects, and consider the code fragment: Thing thing1 = new Thing(); //(1) Thing thing2 = thing1; //(2) Thing thing3 = (Thing) thing1.clone(); //(3) Explain how the objects thing2 and thing3 differ from each other after execution of the statements. (
What is the difference between checked exception and unchecked exception?
How to convert a string to long?
what is use of session tracking ?with example?
Explain about instanceof operator in java?
What is a class instance variable?
What is JIT ?
What is args length in java?
What are measurable parameters?
where exactly collections are usefull in realtime