Answer Posted / radhika

They are/::::
.............>
1.classes
2.objects
3.inheritance
4.polymorphism
5.abstraction
6.encapsulation
7.interfaces

How does hashmap work in java ?

1105

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What do you mean by constant time complexity?

1335

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What is string args [] in java?

1074

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How do I remove a character from a string in java?

1005

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Which sorting algorithm is best in java?

1023

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Can finally block be used without a catch?

1057

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What happens if an exception is throws from an object's constructor?

1176

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Can we overload the methods by making them static?

1045

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How do you remove duplicates from an array in java?

1010

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What do you understand by the term wrapper classes?

1050

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What are the two basic ways in which classes that can be run as threads may be defined?

1123

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Explain different types of thread priorities ?

1132

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Write a program in java to calculate the difference between the sum of the odd level and even level nodes of a binary tree.

1107

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Explain features of interfaces in java?

1055

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How do you execute a thread in java?

990

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