Is it safe for adding 10,00,000 records/objects to HashMap?, i.e is it safe to add millions of objects to HashMap?
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Is 0 true or false in java?
How is treeset implemented in java?
What are accessor methods in java?
How can we find the actual size of an object on the heap?
What is the file extension for java?
Why hashmap is used in java?
How many types of voids are there?
How can a gui component handle its own events?
What are different types of arrays?
If two threads have same priority which thread will be executed first ?
What are internal variables?
What is the difference between @before and @beforeclass annotation?
What is hashmap in java?
What is the difference between sleep and wait in java?
Explain about static imports in java?