Answer Posted / sweety

Java is a secure language as compare to c++ . java use a
byte code which make secure to java

Explain about main thread in java?

620

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Does string is thread-safe in java?

599

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What is meant by singleton class?

606

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What is a finally block? Is there a case when finally will not execute?

555

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how we can make a write-only class in java?

565

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Why string is not thread safe?

551

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How does hashset works in java?

545

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What is abstract class constructor called?

577

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How do you ensure that n threads can access n resources without deadlock?

822

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Is static a keyword in java?

530

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What is oops in java?

577

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Can a singleton class be inherited?

536

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What makes a function well defined?

530

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Explain the importance of finally block in java?

572

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What's the purpose of static methods and static variables?

604

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