How many types of keywords are there?
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How can you generate random numbers in java?
What is the maximum size of arraylist in java?
What is a loop 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.
what is platform independence in java?
Can you override private or static method in java?
What is JVM ? use of JVM?
What is constructor and its types?
What is binary tree in java?
Which is better stringbuilder or stringbuffer?
Explain the difference between the Boolean & operator and the && operator?
Explain about assignment statement?