Recent questions tagged Core-java-questions

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Q: Which of the below is invalid identifier with the main method?

Which of the below is invalid identifier with the main method? (a) public (b) static (c) private ... programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

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Q: What is the extension of java code files?

What is the extension of java code files? (a) .class (b) .java (c) .txt (d) .js This ... , java programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

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Q: What is the extension of compiled java classes?

What is the extension of compiled java classes? (a) .class (b) .java (c) .txt (d) .js This ... , java programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

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Q: How can we identify whether a compilation unit is class or interface from a .class file?

How can we identify whether a compilation unit is class or interface from a .class file? (a) Java ... programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

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Q: Which of these keywords is used to make a class?

Which of these keywords is used to make a class? (a) class (b) struct (c) int (d) none of ... , java programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

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Q: Which of the following is a valid declaration of an object of class Box?

Which of the following is a valid declaration of an object of class Box? (a) Box obj = new Box( ... programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

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Q: Which of these operators is used to allocate memory for an object?

Which of these operators is used to allocate memory for an object? (a) malloc (b) alloc (c) new ... programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

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Q: Which of these statement is incorrect?

Which of these statement is incorrect? (a) Every class must contain a main() method (b) Applets do ... programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

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Q: What is the return type of a method that does not return any value?

What is the return type of a method that does not return any value? (a) int (b) float (c) ... java programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

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Q: What is the process of defining more than one method in a class differentiated by method signature?

What is the process of defining more than one method in a class differentiated by method signature? (a) ... questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance