Write a program to reverse array in place?
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Write the program numbers into words.For example 2345==two thousand three hundred fourty five
Explain about version control?
How concurrent hashmap works?
Difference between JVM and JRE?
Difference between linkedlist and arraylist.
Tell me about different OOPS concepts.
What do you understand by synchronization?
Implement a stack with push (), pop() and min() in O(1) time.
worst case complexities of Quick sort and Merge sort.
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).
Why do we need hashset in java?
what is use of business objects?