Answer Posted / sekhar

Both class are under map interface.But hash table is
synchronized.hashMap is not.we can explictly synchronize
hash map by using the method
Collections.synchronizedMap(Hash Map);

How many types of operators are there?

525

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What is an example of a boolean?

569

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Explain which of the following methods releases the lock when yield(), join(),sleep(),wait(),notify(), notifyall() methods are executed?

611

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Write a method that will remove given character from the string?

573

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What is mean by collections in java?

564

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What is set and get methods in java?

541

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Can constructor return value?

511

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What does the “final” keyword mean in front of a variable? A method? A class?

546

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What is local variable and instance variable?

609

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Write a program to print fibonacci series up to count 10.

518

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List some oops concepts in java?

582

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What are parsing rules?

500

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How do you print array in java?

554

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What are the two parts of a conditional statement?

514

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java program with complete 4 oops concepts implemented example

2727

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