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

Core Java Interview Questions

Questions Answers Views Company eMail

finalize() method?

5 11890

What is the use of bin and lib in JDK?

TCS,

8 36310

What are Transient and Volatile Modifiers?

SAP Labs, TUP Manila,

3 15797

Difference between this(), super()?

College School Exams Tests, Oracle,

12 37707

What is a package?

2 6136

What is casting?

3 6727

Difference between an argument and a parameter?

Accounting, HCL, IBM, Quinnox,

10 48710

Explain final, finalize() and finally?

Accenture, TCS,

11 38711

What are different types of access modifiers?

3 8662

What are Encapsulation, Polymorphism and Inheritance?

5 25433

Explain different ways of passing arguments to sub-routine?

1 5941

Difference between Superclass and Subclass?

7 49046

what modifiers are used with top-level class?

2 6404

What are inner and anonymous class?

3 7393

what is the Diff. between Access Specifiers and Access Modifiers?

BMC, Cyber Shot, Infosys, VTS, Wipro,

39 126561

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Un-Answered Questions { Core Java }

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

1110

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

1050

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

1153

Realized?

2278

What do you mean by an interface in java?

1110

What is parsing in java?

1052

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

1089

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

1154

Differentiate between static and non-static methods in java.

1135

What is the difference between break and continue statements?

1135

How to sort array in descending order in java?

1005

Is minecraft 1.15 out?

1056

What is a constructor overloading in java?

1136

What is java string pool?

1091

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

1096

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