Answer Posted / ravikiran(aptech mumbai)

abstartcion
inheritence
polymorhism
encapsulation

What is java util collection?

543

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What are thread priorities and importance of thread priorities in java?

618

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Why are there no global variables in java?

570

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What are actual parameters?

508

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Can we override tostring method in java?

517

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What are the advantages of java over C++?

704

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What are different types of multitasking?

529

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What is passing by reference in java?

525

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Compare overloading and overriding?

550

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What do you mean by exception handling in Java?

650

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What is files manifesting?

1711

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How to make a read-only class in java?

581

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How does list work in java?

496

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What is a package in java? List down various advantages of packages.

740

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What are different data types?

558

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