Can arraylist contain null values?
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What is the difference between arraylist and hashset in java?
How can we find the actual size of an object on the heap?
What is boolean in java?
What is final modifier?
What are the two environment variables that must be set in order to run any java programs?
What is an array length?
What is the use of accept () method in java?
When should you use arraylist and when should you use linkedlist?
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how can u handle run time exception in java? explain with brief explanation with examples?
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