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Core Java Interview Questions
Questions Answers Views Company eMail

What is api data?

1 1109

Is array an object in java?

1 1071

Do I need java on my computer?

1 1074

What is java command?

1 1191

Why string is called as immutable?

1 1050

Is java an ide?

1 1081

How many types of interfaces are there?

1 1208

Is string serializable in java?

1 1114

What is the purpose of javac exe?

1 1196

What is difference between word and integer?

1 1191

What is java objectoutputstream?

1 1070

What is javac in java?

1 1107

How do you achieve polymorphism in java?

1 1078

What is java argument list?

1 1024

Is array primitive data type in java?

1 1100


Post New Core Java Questions

Un-Answered Questions { Core Java }

Realized?

2278


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

1153


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

2677


What is the difference between break and continue statements?

1135


explain different ways of using thread? : Java thread

1092


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

1110


How to create a base64 decoder in java8?

1152


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

1096


What is a constructor overloading in java?

1136


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

1089


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

1050


What do you mean by an interface in java?

1110


How to sort array in descending order in java?

1005


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

1154


What is java string pool?

1091