Why does abstract class have constructor?

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What is ‘has a’’ relationship in java?

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How will you override default serialization mechanism in java

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Is string a data type in java?

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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 static variable with example?

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Can there be an abstract method without an abstract class?

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Why vector is used in java?

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What is data and its types?

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When super keyword is used?

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what models are available for event handling?

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What happens if I remove static from main method?

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