What is native code?
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Explain about main thread in java?
What is the basic concepts of OOPS?
What is super constructor?
How can you debug the Java code?
Write a program to print 15 random numbers using foreach of java 8?
Define package in Java.
How to split arraylist elements in java?
What modifiers are used for interface declaration?
What is lastindexof in java?
I have a sorting issue with a Hashmap. My constraint is that I MUST use the Hashmap and work with existing code. I do a database query and place the results in a Hashmap. When I iterate thru the Hashmap, it loses the original alphabetical sorting done by the database. So, my problem is that I must sort the results coming out of the Hashmap which is then placed into another class.
Which class is extended by all other classes?
What is ++ a in java?