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

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Java Related Interview Questions

Questions Answers Views Company eMail

How to add menushortcut to menu item?

1 1074

Can you call one constructor from another if a class has multiple constructors?

1 1135

What is a singleton class? Give a practical example of its usage.

1 1187

Can constructor be inherited?

1 1128

Can a class declared as private be accessed outside it’s package?

1 1088

What is the relationship between clipping and repainting under awt?

1 1231

What is are packages?

1 1120

I want to re-reach and use an object once it has been garbage collected. Define how it’s possible?

1 1097

What is externalizable interface?

1 1174

What is the difference between reader/writer and inputstream/output stream?

1 1167

Define how can we find the actual size of an object on the heap?

1 1338

Where and how can you use a private constructor?

1 1073

What happens if an exception is not handled in a program?

1 1182

What is the difference between the size and capacity of a vector?

1 1138

Why deletion in linkedlist is fast than arraylist?

1 1183

Un-Answered Questions { Java Related }

explain different ways of using thread? : Java thread

1079

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

1084

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

1095

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

2659

How to create a base64 decoder in java8?

1133

Realized?

2257

Find Best Job Vacancies across the world on Jooble!

136

Is minecraft 1.15 out?

1042

What is the first argument of the string array in main method?

1026

What is the resourcebundle class?

1010

How to sort array in descending order in java?

989

What is the difference between break and continue statements?

1120

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

1032

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

1129

Hi frnds how to lock an user when he enter wrong credentials more than 3 time using java or j2ee tech take username and password in a bean no need to connect DB and validate give me some sample application code or links its urgent for me thanks in advance

2417

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