Answer Posted / m!r@

public class FindSizeOfObject{
public static void main(String[] args) throws Exception{

Runtime obj = Runtime.getRuntime();
System.out.println(obj.totalMemory() - obj.freeMemory());
}
}

Explain jvm, jre, and jdk?

557

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What are the types of exceptions?

589

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Can you inherit from an abstract class java?

525

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564

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526

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Can an integer be null java?

553

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567

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Does java allow default arguments?

589

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What do you mean by mnemonics?

530

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530

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512

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556

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Can we create a constructor in abstract class?

569

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Explain the difference between map and flatmap stream operation?

817

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Why use string handling in Java?

579

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