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?

891

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

920

What do you understand by downcasting?

942

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

860

Can the main method be declared final?

1042

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

944

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

893

Why there are no global variables in java?

951

What do you understand by numeric promotion?

1020

Explain the encapsulation principle.

925

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

938

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

908

Can an application have multiple classes having main method?

946

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

1012

Can I have multiple main methods in the same class?

902

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Un-Answered Questions { Java Related AllOther }

What are the types of cookies in java?

978

Why are lambda functions called lambda?

933

What is difference between map and flatmap in java 8?

879

What is scrollable resultset in java?

904

What is a driver in java?

951

Explain the inheritance principle.

941

What are the disadvantages of java sockets?

1103

Why is struts used in java?

889

What is ioexception in java?

967

Is jdk an ide?

941

What is gui in java with examples?

1043

What happens when the parent process of a child process exits before the child ?

945

Is jdk required for netbeans?

914

What is the difference between the boolean & operator and the && operator?

964

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

920

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