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

Core Java Interview Questions

Questions Answers Views Company eMail

What is ascii code?

1 1391

What is the difference between access specifiers and access modifiers in java?

1 1258

Explain java coding standards for variables ?

1 1234

What is an error in java?

1 1213

Can we nested try statements in java?

1 1156

Explain the importance of join() method in thread class?

1 1144

Can we write any code after throw statement?

1 1116

Explain thread in java?

1 1246

Why to use nested classes in java?

1 1198

Explain creating threads by implementing runnable class?

1 1253

Objects or references which of them gets garbage collected?

1 1028

What are nested classes in java?

1 1184

Difference between character constant and string constant in java ?

1 1065

Can static methods access instance variables in java?

1 1153

Difference between object and reference?

1 1256

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Un-Answered Questions { Core Java }

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 are the differences between heap and stack memory in java?

1112

Differentiate between static and non-static methods in java.

1106

Write a program to print count of empty strings in java 8?

1071

explain different ways of using thread? : Java thread

1068

What is java string pool?

1068

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

1021

What is the difference between break and continue statements?

1107

What do you mean by an interface in java?

1084

Is minecraft 1.15 out?

1024

What is parsing in java?

1022

Realized?

2239

What is a classloader in java?

1072

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

1110

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

1053

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