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

Core Java Interview Questions

Questions Answers Views Company eMail

Can we have any code between try and catch blocks?

1 1049

What is default exception handling in java?

1 1076

Explain the importance of throwable class and its methods?

1 1106

Explain java coding standards for interfaces?

1 1179

Can we have try block without catch block?

1 1105

Explain about interthread communication and how it takes place in java?

1 1086

What are unchecked exceptions in java?

1 1092

Can we use synchronized block for primitives?

1 1134

When a thread is executing synchronized methods , then is it possible to execute other synchronized methods simultaneously by other threads?

1 1163

What is final access modifier in java?

1 1225

Explain throw keyword in java?

1 1106

How do we access static members in java?

1 1168

What are constants and how to create constants in java?

1 1047

What are identifiers in java?

1 1206

Explain importance of finally block in java?

1 1093

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Un-Answered Questions { Core Java }

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

1110

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

1053

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

1071

explain different ways of using thread? : Java thread

1068

Realized?

2239

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

2651

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

1114

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

1023

What is java string pool?

1068

How to sort array in descending order in java?

976

Is minecraft 1.15 out?

1024

What is a classloader in java?

1072

What is the difference between break and continue statements?

1107

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

1085

What is parsing in java?

1022

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