CORE JAVA Interview Questions You'll Most Likely Be Asked

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CORE JAVA Interview Questions You'll Most Likely Be Asked is a perfect companion to stand ahead above the rest in today’s competitive job market. Rather than going through comprehensive, textbook-sized reference guides, this book includes only the information required immediately for job search to build an IT career. This book puts the interviewee in the driver's seat and helps them steer their way to impress the interviewer.
 
Table of Contents
1. Flow Controls and Assertions
2. Wrapper Classes, Garbage Collection, and Exception Handling
3. Threads
4. Object Oriented Programming Concepts
5. Declarations and Access Controls
6. Java Assignments
7. Java Operators
8. Inner Classes and String Handling
9. Streams
10. Collections
HR Questions
INDEX
 
 
The following is included in this book:

(a) 290 CORE JAVA Interview Questions, Answers and proven strategies for getting hired as an IT professional

(b) Dozens of examples to respond to interview questions

(c) 77 HR Questions with Answers and proven strategies to give specific, impressive, answers that help nail the interviews

(d) 2 Aptitude Tests download available on  www.vibrantpublishers.com

 

Sample from the book

(Below Questions and Answers are randomly taken from different pages of the book)

179: What type of value does an instanceOf operator return?

Answer:

The instanceOf operator returns a Boolean value. If both the objects being compared are of same type it will return true and otherwise it will return false.

 

180: What will be the output for System.out.println(3 + 5 * 9 / 3);?

Answer:

The result will be 18 because the precedence of * & / are greater and it will be processed from left to right. So first 9/3 is processed which is 3, then 5*3 which is 15 and then 3+15 which is 18.

 

181: What are the types of relational operators in Java?

Answer:

There are four types of relational operators in Java. They are:

a) >

This is called as ‘Greater Than’ operator

b) >=

This is called as ‘Greater Than Equal To’ operator

c) <

This is called as ‘Less Than’ operator

d) <=

This is called as ‘Less Than Equal To’ operator.

 

182: What are the logical operators in Java?

Answer:

There are six types of logical operators in Java. They are:

a) &

b) |

c) ^

d) !

e)

f) ||

The operators &, |, ^ are called as Bitwise operators.

The operator ! is called as boolean invert.

The operators && , || are called as short-circuit operators.

The operators &, | are also called as non-short circuit operators.

Tags
Core Java Interview, IT Interview Questions , Java Interview Questions , Java Flow Controls , Java Assertions ,  Java Wrapper Classes , Java Garbage Collection , Java Exception Handling , Java Threads , Java Object Oriented Programming Concepts ,  Java Declarations , Java Access Controls , Java Assignments , Java Operators , Java Inner Classes , Java Streams , Java Collections , HR Questions.

BISAC

COM051280   
COM051260
COM051210