Why hashmap is used in java?
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Why pointers are not used in java?
Should database connections be singleton?
What is string pool?
Can classes declared using the abstract keyword cab be instantiated?
Why is flag used in java?
what are class,constructor and primitive data types?
When throw keyword is used?
Explain an algorithm to find depth of a binary tree.
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What is the Dictionary class?
I want to store more than 10 objects in a remote server? Which methodology will follow?
What are the actions that can occur when a thread enters blocked state?
Write java code to print "Hello how are you" Thread1 should have "Hello" Thread2 should have "how are you" both the threads should start at the same time