What is the different between get and post?
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What is the significance of continue jump statement? Explain with an example.
What is keyword auto for?
How does hashset works in java?
7) Suppose there is Student class like class student { int age; string name; } We want to store these objects in a HashMap. Do we need to override any methods in Student class? If any which ones and why? what if i just override equals or just hashcode? what will be the results in both the cases?
What is a reflection package?
take an array with -ve and +ve value both.find out the nearest value of 0(zero).if two values are same like(-2 and +2)then extract +2 is nearest of 0(zero).
What is join () in java?
Is logger a singleton?
What collections you have worked on? Internal working of Hashmap?
What is composition in java?
Write a java program to generate fibonacci series ?
How many threads can java run?