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

Core Java Interview Questions

Questions Answers Views Company eMail

Describe the process as to how substring() methodology mechanisms in java.

1 1220

What technique is carried out to find out if a particular string is empty?

1 1071

What do you understand by the term wrapper classes?

1 1058

define the terminology association.

1 1162

Is it possible to compare various strings with the help of == operator?

1 1069

Are static members inherited to sub classes?

1 1195

What is multi level inheritance in java?

1 1094

Can string be considered as a keyword?

1 1098

what do you understand by the term string with respect to java?

1 1110

Describe the various concepts related to object oriented programming (oop).

1 1098

Why char array is favored over string for the storage of passwords?

1 1163

List some important characteristics on jre

1 1146

Differentiate between vector and array list.

1 1124

Explain abstract class in java?

1 1135

What are some characteristics of interference class?

1 1069

Post New Core Java Questions

Un-Answered Questions { Core Java }

What are the differences between heap and stack memory in java?

1112

How to create a base64 decoder in java8?

1119

How to sort array in descending order in java?

976

What is the difference between equals() and == in java?

1021

What do you mean by an interface in java?

1084

Explain public static void main(string args[]) in java.

1053

Write a program to find the whether a number is an Armstrong number or not?

1085

explain different ways of using thread? : Java thread

1068

Is minecraft 1.15 out?

1024

What is a constructor overloading in java?

1113

What is an object in java and how is it created?

1110

What is parsing in java?

1022

What is java string pool?

1068

Write a java program to find the route that connects between Red and Green Cells. General Rules for traversal 1. You can traverse from one cell to another vertically, horizontally or diagonally. 2. You cannot traverse through Black cells. 3. There should be only one Red and Green cell and at least one of each should be present. Otherwise the array is invalid. 4. You cannot revisit a cell that you have already traversed. 5. The maze need not be in the same as given in the above example

2649

What is a classloader in java?

1072

For More Un-Answered { Core Java } Questions Click Here