100 Problems in Java
100 Problems in Java
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100 Problems in Java

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Completed on 2019-12-20

About the Book

There are several problems that haunt us as Java developers; especially it haunts the beginners, as well as the experienced ones when they are asked the same questions in the interviews.

What do these terms, fields, states, variables, parameters mean? Is everything in Java object? What are the primitive data types and what is the range of their values? What is reference type? What are access modifiers and how should we use it? How we can use external libraries to manipulate an array? What are the golden rules of the truth table?

How do we find PalPrime or Twisted prime numbers? How we can change decimal value to binary? What are fixed and unfixed iterations? How could we distinguish between Exit and Entry controlled loops? How do we use them to solve many different types of mathematical problems?

How to test whether a number is prime or special? How to find the frequency of digit? How we can set elements of an array in an ascending order? How we can find the sum of prime divisors of any number? How to find the sum of first ten Fibonacci numbers? How to check whether a number is Duck Number or not? Finding Armstrong numbers based on user's input is really easy when you know how to use loops. The same way, reversing any number is also very easy.

This book is all about these common problems that haunt us as Java developers. In that sense, this book breaks some typical patterns.

It will not exhibit the same characteristics that start with a distinctive introduction to Java, principles of object oriented programming, Values and Data types, Operators, Input in Java, Library methods, etc. Instead it presents problems for learners to solve and learn from them.

This book will empower computer science and programming students to build their applications in Java. It is for the first time that a book with a "problems-solutions-explanations" approach will help you develop logical and analytical thinking so that you can easily solve interactive problems, not only in Java, but also in any programming language.

About the Author

Sanjib Sinha
Sanjib Sinha

Sanjib Sinha is an author and IT Consultant. As a certified .NET developer he Won Microsoft Community Contributor Award in 2011. He authors many books that include Python Security Programming, PHP, C#, ASP.NET and Laravel Web Application, Dart and Flutter Mobile Application, and Java.

Sanjib Sinha has written Beginning Laravel 5.8 (two editions), Beginning Ethical Hacking with Python, Beginning Ethical Hacking with Kali Linux, Bug Bounty Hunting for Web Security, and A Quick Start Guide to Dart Programming for Apress/Springer.

Table of Contents

  • Chapter One: Java, a High Level Language
    • A Short Note on the Book
  • About this Book
  • Java is a High Level Language
    • High Level to Machine Language
    • Memory allocation, heap and stack
  • Chapter Two: Java Standard Edition Development Kit and IDE
    • Java SE Development kit
    • IntelliJ IDEA 2018.2.4 Community Edition
  • Chapter Three: How Java Programming Works
    • Difference between POP and OOP
    • Java program is written within a class
  • Chapter Four: Objects and Data Types
    • Objects Share Two Characteristics
    • Variables or Fields in Java
    • Primitive Data Types and more
  • Chapter Five: Variables, the Name of a Field
    • Difference between Variables
  • Chapter Six: Array the Container Object
    • An Array in Disarray
    • What is an Array
    • Apache Commons Lang
    • Java ANT Application
  • Chapter Seven: Operators and Conditional Statements
    • Arithmetic and Unary Operators
    • Equality, and Relational Operators
    • Conditional Operators
    • InstanceOf Operators
    • Control Flow – Part One
  • Chapter Eight: Iterative Constructs, Entry and Exit Controlled Loops
    • Entry Controlled loop: Fixed and Unfixed Iteration
    • For or While, it Depends
  • Chapter Nine: Basic Input and Output in Java
  • Chapter Ten: Classes and Objects, A Brief Introduction
  • Chapter Eleven: Interface and Abstraction
  • Chapter Twelve: Exception Handling
  • Chapter Thirteen: Data Structure, A Brief Introduction
    • What Next

Causes Supported

Amazon Watch

Supporting Indigenous Peoples. Protecting the Amazon.
http://amazonwatch.org

Amazon Watch is a nonprofit organization founded in 1996 to protect the rainforest and advance the rights of indigenous peoples in the Amazon Basin. We partner with indigenous and environmental organizations in campaigns for human rights, corporate accountability and the preservation of the Amazon's ecological systems.

We envision a world that honors and values cultural and biological diversity and the critical contribution of tropical rainforests to our planet's life support system. We believe that indigenous self-determination is paramount, and see that indigenous knowledge, cultures and traditional practices contribute greatly to sustainable and equitable stewardship of the Earth. We strive for a world in which governments, corporations and civil society respect the collective rights of indigenous peoples to free, prior and informed consent over any activity affecting their territories and resources. We commit, in the spirit of partnership and mutual respect, to support our indigenous allies in their efforts to protect life, land, and culture in accordance with their aspirations and needs.

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