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    Core Java Programming Book
    Core Java Programming Book
    Core Java Programming Book
    Ebook206 pages1 hourJava Books Series

    Core Java Programming Book

    By Manish Soni

    ()

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    About this ebook

    In the ever-evolving landscape of technology and software development, Java has maintained its prominent position as a foundational programming language, empowering developers to create robust, scalable, and platform-independent applications. As we venture into the depths of this comprehensive guide, it is essential to recognize the remarkable journey Java has undertaken, from its inception as a revolutionary language to its current status as an indispensable tool for modern software engineering. This book on Core Java Programming is not a culmination of theoretical knowledge; rather, it is a testament to the dedication, perseverance, and collective wisdom of the many professionals and educators who have contributed to its creation. It embodies the essence of years of experience, research, and practical application, designed to not only install a profound understanding of Java's core principles but also to inspire a creative and analytical approach to problem-solving in the realm of programming.
    The sheer versatility of Java, spanning applications in diverse domains such as enterprise software, mobile development, and web applications, underscores the significance of mastering its intricacies. This book, meticulously crafted with a blend of theoretical exposition and practical examples, strives to cater to a wide spectrum of learners, including students, educators, and seasoned professionals, seeking to strengthen their foundations or enhance their expertise in this domain. Its holistic approach encompasses the essentials of Java Programming, encompassing topics ranging from Object-Oriented Programming to multithreading, exception handling, and data structures, thus providing a comprehensive framework that equips readers with the tools necessary to tackle real-world challenges.
    Moreover, the pedagogical design of this book emphasizes the application of concepts through hands-on exercises, case studies, and coding challenges, fostering an immersive and engaging learning experience. By illustrating best practices, design patterns, and effective programming techniques, this guide aims to cultivate a mindset that not only focuses on writing functional code but also prioritizes efficiency, scalability, and maintainability, all crucial factors in the development of sustainable and robust software solutions.
    As we delve into the intricate nuances of Core Java Programming, it is imperative to recognize the dynamic nature of the technological landscape, constantly evolving and demanding continuous adaptation and learning. Therefore, this book not only provides a solid foundation but also encourages readers to remain curious, open-minded, and resilient in the face of emerging paradigms and innovations. It aspires to foster a community of learners and practitioners who embrace the spirit of collaboration, innovation, and lifelong learning, ultimately contributing to the ever-expanding horizons of the Java Programming Ecosystem.

    LanguageEnglish
    PublisherPoorav Publications
    Release dateNov 13, 2024
    ISBN9789369723492
    Core Java Programming Book

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      Book preview

      Core Java Programming Book - Manish Soni

      Preface

      In the ever-evolving landscape of technology and software development, Java has maintained its prominent position as a foundational programming language, empowering developers to create robust, scalable, and platform-independent applications. As we venture into the depths of this comprehensive guide, it is essential to recognize the remarkable journey Java has undertaken, from its inception as a revolutionary language to its current status as an indispensable tool for modern software engineering. This book on Core Java Programming is not a culmination of theoretical knowledge; rather, it is a testament to the dedication, perseverance, and collective wisdom of the many professionals and educators who have contributed to its creation. It embodies the essence of years of experience, research, and practical application, designed to not only install a profound understanding of Java's core principles but also to inspire a creative and analytical approach to problem-solving in the realm of programming.

      The sheer versatility of Java, spanning applications in diverse domains such as enterprise software, mobile development, and web applications, underscores the significance of mastering its intricacies. This book, meticulously crafted with a blend of theoretical exposition and practical examples, strives to cater to a wide spectrum of learners, including students, educators, and seasoned professionals, seeking to strengthen their foundations or enhance their expertise in this domain. Its holistic approach encompasses the essentials of Java Programming, encompassing topics ranging from Object-Oriented Programming to multithreading, exception handling, and data structures, thus providing a comprehensive framework that equips readers with the tools necessary to tackle real-world challenges.

      Moreover, the pedagogical design of this book emphasizes the application of concepts through hands-on exercises, case studies, and coding challenges, fostering an immersive and engaging learning experience. By illustrating best practices, design patterns, and effective programming techniques, this guide aims to cultivate a mindset that not only focuses on writing functional code but also prioritizes efficiency, scalability, and maintainability, all crucial factors in the development of sustainable and robust software solutions.

      As we delve into the intricate nuances of Core Java Programming, it is imperative to recognize the dynamic nature of the technological landscape, constantly evolving and demanding continuous adaptation and learning. Therefore, this book not only provides a solid foundation but also encourages readers to remain curious, open-minded, and resilient in the face of emerging paradigms and innovations. It aspires to foster a community of learners and practitioners who embrace the spirit of collaboration, innovation, and lifelong learning, ultimately contributing to the ever-expanding horizons of the Java Programming Ecosystem.

      Table of Contents

      Preface

      Chapter 1 Data type and variables

      Chapter 2 Operators and Expressions

      Chapter 3 Control Statements (if, else, switch, loops)

      Chapter 4 Input and Output in Java

      Chapter 5 Exception Handling

      Chapter 6 Handling Custom Exceptions

      Chapter 7 Multithreading and Synchronization

      Chapter 8 Generics and Collections

      Chapter 9 Java Strings and String Handling

      Chapter 10 Custom Data Structures and Implementations

      Chapter 11 Understanding Big O Notation and Algorithm Efficiency

      Chapter 12 Miscellaneous Questions

      ADDITIONAL RESOURCES

      Online Resources

      Chapter 1 Data type and variables

      1. Write a Java Program that declares and initializes variables of different data types (int, double, boolean, String)

      and prints their values. Ensure that the program demonstrates the use of appropriate data types.

      Code-

      class VariableDemo {

      public static void main(String[] args) {

      // Declare and initialize variables of different data types

      int integerVariable = 40;

      double doubleVariable = 3.14;

      boolean booleanVariable = false;

      String stringVariable = Hello, World!;

      // Print the values of the variables

      System.out.println(Integer Variable: + integerVariable);

      System.out.println(Double Variable: + doubleVariable);

      System.out.println(Boolean Variable: + booleanVariable);

      System.out.println(String Variable: + stringVariable);

      }

      }

      Output-

      Integer Variable: 40

      Double Variable: 3.14

      Boolean Variable: false

      String Variable: Hello, World!

      2. Create a Java Program that converts a given double value into an integer by performing explicit type casting.

      Print both the original double value and the converted integer value.

      Code-

      public class DoubleToIntConversion {

      public static void main(String[] args) {

      // Given double value

      double doubleValue = 7.76;

      // Convert the double value to an integer using explicit casting

      int intValue = (int) doubleValue;

      // Print the original double value and the converted integer value

      System.out.println(Original Double Value: + doubleValue);

      System.out.println(Converted Integer Value: + intValue);

      }

      }

      Output-

      Original Double Value: 7.76

      Converted Integer Value: 7

      3. Define a constant named PI with a value of 3.14159 in a Java Program. Calculate and print the area of a

      circle with a radius of 5 using this constant.

      Code-

      public class CircleArea {

      public static final double PI = 3.14159;

      public static void main(String[] args) {

      // Given radius of the circle

      double radius = 5.0;

      // Calculate the area of the circle using the constant PI

      double area = PI * radius * radius;

      // Print the calculated area

      System.out.println(The area of the circle with a radius of + radius + is: + area);

      }

      }

      Output-

      The area of the circle with a radius of 5.0 is: 78.53975

      4. Create a Java Program that prompts the user to enter their full name as a single String. Split the name into first

      name and last name, and then print both names separately.

      Code-

      import java.util.Scanner;

      public class NameSplitter {

      public static void main(String[] args) {

      Scanner scanner = new Scanner(System.in);

      // Prompt the user to enter their full name

      System.out.print(Enter your full name: );

      String fullName = scanner.nextLine();

      // Split the full name into first name and last name

      String[] nameParts = fullName.split( );

      // Check if there are at least two parts (first name and last name)

      if (nameParts.length >= 2) {

      String firstName = nameParts[0];

      String lastName = nameParts[nameParts.length - 1];

      // Print the first name and last name separately

      System.out.println(First Name: + firstName);

      System.out.println(Last Name: + lastName);

      } else {

      System.out.println(Invalid input. Please enter your full name with at least a first name and last name.);

      }

      scanner.close();

      }

      }

      Output-

      Enter your full name: Jayant Sharma

      First Name: Jayant

      Last Name: Sharma

      5. Create a Java Program that calculates the sum of two integer variables.

      Code-

      public class IntegerVariables {

      public static void main(String[] args) {

      int num1 = 300;

      int num2 = 400;

      int sum = num1 + num2;

      System.out.println(Sum: + sum);

      }

      }

      Output-

      Sum:

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