Can we sort hashmap in java?
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What is void in java?
How does system arraycopy work in java?
What is Difference between Serializable and Externalizable in Java serialization?
Explain the use of volatile field modifier?
How to retrieve data from database in java using arraylist?
Why do we need array in java?
What is run time allocation?
Can we write any code after throw statement?
Why deletion in linkedlist is fast than arraylist?
what is difference between method overloading & method overridding with example?
When do we use synchronized blocks and advantages of using synchronized blocks?
Hi am an mca graduate . i have done bsc maths in my degree . every company asks me why you make shift from maths group to computere field . What i need to answer?