What are different data structures in java?


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More Core Java Interview Questions

Given: 11. public static void main(String[] args) { 12. Integer i = uew Integer(1) + new Integer(2); 13. switch(i) { 14. case 3: System.out.println(”three”); break; 15. default: System.out.println(”other”); break; 16. } 17. } ‘What is the result? 1 three 2 other 3 An exception is thrown at runtime. 4 Compilation fails because of an error on line 12.

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What is console based application in java?

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What is the difference between hashmap and hashtable? What is an interface?

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What is the difference between hashmap and hashtable in java?

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What does this() represent, and how is it used in Java?

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What is the main purpose of java?

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How do you format in java?

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In Java, what types of classes perform inheritance?

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can we access the method of class without creating the object of the class

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What is difference between an object and a class?

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Java support call by reference (pass by reference) ?

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What is the benefit of lambda expressions?

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