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?

873

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

907

What do you understand by downcasting?

924

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

845

Can the main method be declared final?

1020

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

924

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

872

Why there are no global variables in java?

934

What do you understand by numeric promotion?

1003

Explain the encapsulation principle.

904

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

920

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

887

Can an application have multiple classes having main method?

921

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

995

Can I have multiple main methods in the same class?

883

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Un-Answered Questions { Java Related AllOther }

What are jdk tools?

885

What is meant by annotations in java?

958

In a barber shop there are 2 doors. customer come in 1 door, leave in other. minimum # of chairs. barber spend his life in cutting. always barber can cut 1 customer. few chairs in the shop. if barber busy customer waits, if chairs full, customer leave. if no customer, barber sleeps. treat barber and customer as 2 threads. you can use Semaphore class with arrive and depart and count as parameter.

2122

What is the difference between collection and stream?

930

What is meant by java se?

943

Does ms edge support java?

866

What is an action class in java?

1010

What is dto layer in java?

865

What do I need to install netbeans?

987

What is aop in java?

889

What are the Advantages of java se 8 new features?

956

What is the means of java?

879

What is a delimiter in java?

874

explain isalive() method under thread class?

1004

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

907

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