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Core Java Interview Questions
Questions Answers Views Company eMail

Which class is the immediate superclass of the Container class?

1 7256

Name the immediate superclass of the MenuComponent class?

1 4832

To obtain design information about an object, which class in used?

1 4772

Which containers may have a MenuBar?

1 5500

In what type of containers, Border layout is a default layout?

3 7166

Which containers use a FlowLayout as their default layout?

3 8333

Which java.util classes and interfaces support event handling?

2 12550

To set the position and size of a component, which methods are used?

3 10827

What are the allowed, non-Unicode letter characters that can be used as the first character of an identifier?

2 5182

Name the package that always imported by default?

4 13270

Who developed JScript language?

3 6684

Is Java is 100% pure OOPS? Explain?

ANZ,

27 41556

Why are the methods of the Math class are static?

1 8826

Does Java support multiple Inheritance?

12 21928

What are null interfaces? Give some examples?

2 8046


Post New Core Java Questions

Un-Answered Questions { Core Java }

what is aggregation in java?

1016


What are heap memory and stack memory and what are memory tables.

990


What are the different conditional statements?

994


What's the purpose of static methods and static variables?

1100


what r advatages of websphere? & how to deploy?

2196


Can we use return in constructor?

952


placement papaers of spring computing technology

1408


Does substring create a new object?

998


What are aggregate functions explain with examples?

1063


Explain about public and private access specifiers?

1059


Can we declare the static variables and methods in an abstract class?

990


Is 9 a prime number?

885


What do you understand by private, protected and public?

1041


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

2602


What is string syntax?

1054