Java Related AllOther Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Java Related AllOther Interview Questions

Questions Answers Views Company eMail

What if the main method is declared as private?

827

Explain the reason for each keyword of public static void main(string args[])?

866

What do you understand by downcasting?

866

Why oracle type 4 driver is named as oracle thin driver?

804

Can the main method be declared final?

958

Why doesn’t the main method throw an error with no arguments?

881

How can I write a program that takes command line input?

829

Why there are no global variables in java?

906

What do you understand by numeric promotion?

957

Explain the encapsulation principle.

861

How can one prove that the array is not null but empty?

890

Does jvm maintain a cache by itself? Does the jvm allocate objects in heap? Is this the os heap or the heap maintained by the jvm? Why

834

Can an application have multiple classes having main method?

877

In system.out.println(), what is system, out and println?

957

Can I have multiple main methods in the same class?

841

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Un-Answered Questions { Java Related AllOther }

How do I open the java console in windows 10?

980

What is a container in java?

842

What is flatmap in rxjs?

865

How to reverse the singly linked list(In Node data members are(int data,int pointerTONext))

1673

In java thread programming, which method is a must implementation for all threads?

942

Do I need both jdk and jre?

956

What is java net url?

785

What are microservices in java?

840

Spring framework ---Can somebody explain me in easily understandable format about AOP, IOC and DI, so that i can explain in interview rather than just telling what is available in net. I am not able to understand that also. I am new to Spring

1928

What is ui framework in java?

846

What is jboss in java?

843

What if I write static public void instead of public static void?

827

there are 67 seats in train . there are only 5 seats in a row and in last row there are only 2 seats. One person can reseve only 5 seat at a time. If person reserving seat , the care is atken that he may get all in row. if seats are not available in row then the arrangement is so that person group get nearby seats. the following class is given public class seat { char name; int seat; boolean isSeatempty } 1.Draw require class digram and object diagram. 2.Write function seatallot(int noofperson) to allocate seat with seat nuber printed for the each name.

3822

What are the advantages of java sockets?

1075

What is tight coupling in java?

865

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