What’s the difference between callable and runnable?

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What are the three parts of a lambda expression? What is the type of lambda expression?

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What is percentage in java?

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How does linkedlist work in java?

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Which collection does not allow duplicates in java?

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Explain the advantages of packages in java?

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I declared main() method as private. But it still running and displaying the output. Please Answer it . Code Snippet as Below: import java.io.*; class over { private static void main(String[] args) { int high = Integer.MAX_VALUE; int overflow = high + 1; int low = Integer.MIN_VALUE; int underflow = low - 1; System.out.println(high + "\n" +overflow +"\n"+ low +"\n"+underflow); //System.out.println(overflow); //System.out.println(low); //System.out.println(underflow); } }

4 Answers   Cap Gemini,

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Explain some best practices you would apply while using collection in java?

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define polymorphism in java

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Why constructor has no return type?

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Explain inheritance in java?

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To obtain design information about an object, which class in used?

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