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

Core Java Interview Questions

Questions Answers Views Company eMail

How does JAVA ClassLoader work?

IBM,

1 3546

What is java class writing rules?

Oracle,

1 2528

What are possible key words, we can use to declare a class?

Tech Mahindra,

2 3023

How many types of modifiers are there?

Infosys,

1 2571

What are access modifiers?

Infosys,

1 2581

What are non-access modifiers?

Cognizant,

2 2824

How does access modifiers work?

Wipro,

1 2234

How does static modifier work?

Wipro,

1 2424

How does abstract modifier work?

Wipro,

1 2218

How does synchronized modifier work?

IBM,

1 2325

How does final modifier work?

Tech Mahindra,

1 2647

What are legal modifiers that we can use to declare an inner class?

Infosys,

1 2590

What is difference between “==” and equals()?

IBM,

1 2401

Why do we need to override equals() and hascode() method of object class?

Cognizant,

1 2563

How to override equals() and hashCode() method in java?

Wipro,

1 2425

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Un-Answered Questions { Core Java }

What does you mean in math?

531

What are 3 data types?

534

What is boolean flag in java?

564

Explain the use of sublass in a java program?

587

Name and explain the types of ways which are used to pass arguments in any function in java.

559

What are the advantages of compiled language?

563

Can we compare two strings in java?

549

What is class and object in java?

540

What is hash in java?

504

Which is bigger float or double java?

511

Say any two properties in beans?

626

which class is the wait() method defined in? : Java thread

513

What is thread pool in java with example?

534

What is proper subset?

528

What is the difference between the paint() and repaint() methods in java programming?

610

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