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Core Java Interview Questions
Questions Answers Views Company eMail

Explain the meaning of java applet.

TCS,

1071

What is java Applet?

TCS,

1104

Tell me a few examples of final classes defined in Java API?

DELL,

1097

How many JVMs can run on a single machine and what is the meaning of Just-In-Time (JIT) compiler?

TCS,

1452

Given a singly linked list, determine whether it contains a loop or not without using temporary space?

Global Logic,

988

Is Constructor possible in abstract class in java ?

HCL,

1067

Give us a program to check for parenthesis matching using stack.

Genpact,

1003

What is the Concept of Encapsulation in OOPS

HCL,

998

How can you read an integer value from the keyword when the application is runtime in java? example?

HCL,

1130

State differences between C and Java?

Deloitte, JPMorgan Chase,

1211

Differentiate storage classes on the basis of their scope?

Fidelity,

1171

What are "class access modifiers" in Java?

Genpact,

1133

How are multiple inheritances done in Java?

Atos Origin,

1143

Can we force garbage collector to run ?

B-Ways TecnoSoft,

1055

What is the difference between overriding and overloading in OOPS.

Axtria, ITC Indian Tobacco Company,

1165


Post New Core Java Questions

Un-Answered Questions { Core Java }

What is final method in java?

1033


FOR EXAMPLE WE R HAVING TWO LIST ELEMENTS ..BOTH LISTS CONTAINS ID,NAME,PLACE ..I NEED TO COMPARE BOTH IDS IN TWO LISTS,IF ID'S R SAME MEANS WE HAVE ADD THE DETAILS(LIKE NAME,PLACE) TO MAP...HOW IS POSSIBLE ?CAN ANY ONE SUGGEST?

3476


What is ascii format?

993


How does singleton class work?

991


What is an empty list in java?

974


If an object reference is set to null, will the garbage collector immediately free the memory held by that object?

1153


Is there any tag in htm to upload and download files?

1047


How do you do exponents in java?

1057


Why are generics used?

965


What is the difference between path and classpath variables?

1055


What is the difference in between cpp and java? Can u explain in detail?

1091


Which java version is latest?

1032


What are constants and how to create constants in java?

986


Which package has light weight components?

998


How do you add spaces in java?

1008