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?

883

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

916

What do you understand by downcasting?

935

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

855

Can the main method be declared final?

1028

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

936

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

882

Why there are no global variables in java?

944

What do you understand by numeric promotion?

1012

Explain the encapsulation principle.

918

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

933

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

900

Can an application have multiple classes having main method?

935

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

1004

Can I have multiple main methods in the same class?

896

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Un-Answered Questions { Java Related AllOther }

Do I need to install jre if I have jdk?

891

What are jpa repositories?

890

What is mime in java?

907

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

1721

What is @resource annotation in java?

911

What is meant by annotations in java?

971

What is the use of jprofiler?

878

How do I enable java in google chrome?

1054

What are java’s rules regarding tabs, spaces and newline characters?

1454

What do you understand by downcasting?

935

What is log4j in java?

899

What is jboss in java?

910

Is jdk required for netbeans?

906

What is java web application?

883

Is java secure? : java security

1019

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