Learn Core Java with R. Nageswara Rao - The Best Book for Beginners and Professionals

Core Java Book By Nageswara Rao Pdf 129: A Comprehensive Guide for Beginners and Professionals

If you are looking for a book that can teach you everything you need to know about Core Java, then you have come to the right place. In this article, we will review one of the most popular and widely used books on Core Java, written by Nageswara Rao. We will also show you how to download the book in PDF format for free.

Core Java Book By Nageswara Rao Pdf 129

Introduction

Java is one of the most popular and versatile programming languages in the world. It is used for developing applications for various platforms, such as desktop, web, mobile, and embedded systems. Java is also known for its portability, performance, security, and reliability.

However, learning Java can be challenging for beginners and professionals alike. There are many concepts and features that need to be understood and mastered. That's why having a good book that can guide you through the learning process is essential.

What is Core Java?

Core Java is the basic and fundamental part of Java programming language. It covers the core concepts and principles that are common to all Java applications. Core Java includes topics such as:

• The syntax and structure of Java

• The data types and operators

• The control statements and loops

• The methods and classes

• The inheritance and polymorphism

• The interfaces and abstract classes

• The packages and access modifiers

• The exceptions and assertions

• The threads and concurrency

• The collections and generics

• The input/output streams

• The networking and sockets

• The database connectivity and JDBC

Core Java is also known as Java SE (Standard Edition), which is the foundation for other Java technologies, such as Java EE (Enterprise Edition) and Java ME (Micro Edition).

Who is Nageswara Rao?

Nageswara Rao is a renowned author, trainer, and consultant in the field of Java programming. He has more than 20 years of experience in teaching and developing software using Java. He has authored several books on Java, such as:

• Core Java: An Integrated Approach

• Advanced Java: JDBC, Servlets, JSPs And Swing

• Java Interview Questions And Answers

• Java 8 Programming Black Book

Nageswara Rao is also the founder and CEO of Dreamtech Press, a leading publisher of technical books in India. He has trained thousands of students and professionals in various institutes and organizations across the country. He is also a frequent speaker at various seminars and conferences on Java and related topics.

Why should you read this book?

Core Java Book By Nageswara Rao Pdf 129 is one of the best books on Core Java available in the market. It is suitable for both beginners and professionals who want to learn or improve their skills in Java programming. Here are some of the reasons why you should read this book:

Features of the book

Covers all the topics of Core Java

This book covers all the topics of Core Java in a comprehensive and systematic manner. It follows the latest syllabus and exam pattern of various universities and certification bodies, such as Oracle, Sun, IBM, etc. The book is divided into 16 chapters, each covering a specific topic of Core Java. The chapters are as follows:

Chapter

Topic

1

Basics of Java

2

Object-oriented programming

3

Exception handling

4

Multithreading

5

Collections

6

Generics

7

Input/output streams

8

Networking

9

JDBC

10

Lambda expressions and functional interfaces

11

Date and time API

12

Nashorn JavaScript engine and scripting API

13

JShell and REPL (Read-Eval-Print Loop)

14

Modules

15

Annotations

16

Reflection API

Basics of Java

In this chapter, you will learn the basics of Java programming language, such as:

• The history and features of Java

• The structure and components of a Java program

• The data types and variables in Java

• The operators and expressions in Java

• The control statements and loops in Java

• The methods and parameters in Java

• The command-line arguments and standard input/output in Java

• The documentation comments and javadoc tool in Java

You will also learn how to write, compile, and run a simple Java program using an IDE (Integrated Development Environment) or a text editor and a command prompt.

Object-oriented programming

In this chapter, you will learn the concepts and principles of object-oriented programming (OOP) in Java, such as:

• The objects and classes in Java

• The constructors and destructors in Java

• The inheritance and polymorphism in Java

• The interfaces and abstract classes in Java

• The packages and access modifiers in Java

• The static and final keywords in Java

• The inner and nested classes in Java

• The enums and varargs in Java

You will also learn how to design and implement a simple OOP application using Java.

Exception handling

In this chapter, you will learn how to handle errors and exceptions in Java, such as:

• The difference between errors and exceptions in Java

• The types and hierarchy of exceptions in Java

• The try-catch-finally blocks in Java

• The throw and throws keywords in Java

• The checked and unchecked exceptions in Java

• The custom exceptions in Java

• The assertions in Java

• The best practices for exception handling in Java

You will also learn how to use the try-with-resources statement and the multi-catch clause in Java.

Multithreading

In this chapter, you will learn how to create and manage multiple threads of execution in Java, such as:

• The concept and benefits of multithreading in Java

• The thread class and runnable interface in Java

• The thread lifecycle and states in Java

• The thread priority and scheduling in Java

• The thread synchronization and communication in Java

• The deadlock and livelock situations in Java

• The wait, notify, and notifyAll methods in Java

• The join, yield, sleep, interrupt, and daemon methods in Java

• The executor framework and thread pools in Java

• The concurrent collections and atomic variables in Java

The locks, conditions, semaphores, latches, barriers, phasers, exchangers, futures, promises, completable futures, callables, runnables, suppliers, consumers, predicates, functions, actions, etc.

You will also learn how to use the lambda expressions and streams API to create parallel programs using functional programming style.

Collections

In this chapter, you will learn how to use the collections framework in Java to store and manipulate groups of objects, such as:

• The concept and advantages of collections in Java

• The collection interface and its subinterfaces: List, Set, Queue, Deque

• The map interface and its implementations: HashMap, LinkedHashMap, TreeMap

• The list interface and its implementations: ArrayList, LinkedList

• The queue interface and its implementations: PriorityQueue, ArrayDeque

• The sorted set and sorted map interfaces: NavigableSet, NavigableMap

• The comparator and comparable interfaces for sorting collections

• The iterator and list iterator interfaces for traversing collections

• The for-each loop and the enhanced for loop for iterating over collections

• The collections class and its utility methods for manipulating collections

• The arrays class and its utility methods for converting arrays to collections and vice versa

You will also learn how to use the stream API to perform various operations on collections, such as filtering, mapping, reducing, grouping, partitioning, sorting, etc.

Generics

In this chapter, you will learn how to use generics in Java to create generic classes, methods, and interfaces that can work with different types of objects, such as:

• The concept and benefits of generics in Java

• The syntax and rules of generics in Java

• The type parameters and type arguments in Java

• The generic classes and their instantiation in Java

• The generic methods and their invocation in Java

• The generic interfaces and their implementation in Java

• The bounded type parameters and wildcards in Java

• The type inference and type erasure in Java

• The generic algorithms and collections in Java

• The limitations and pitfalls of generics in Java

You will also learn how to use the var keyword to declare local variables with inferred types.

Input/output streams

In this chapter, you will learn how to use the input/output (I/O) streams in Java to read and write data from and to various sources and destinations, such as:

• The concept and classification of I/O streams in Java

• The byte streams and character streams in Java

• The input stream and output stream classes in Java

• The reader and writer classes in Java

• The buffered streams and unbuffered streams in Java

• The file input stream and file output stream classes in Java

• The file reader and file writer classes in Java

• The data input stream and data output stream classes in Java

• The object input stream and object output stream classes in Java

• The print stream and print writer classes in Java

• The scanner class and the console class in Java

• The serialization and deserialization of objects in Java

• The transient and serializable keywords in Java

• The externalizable interface and its methods in Java

The file class and its methods for manipulating files and directories

You will also learn how to use the nio package to perform non-blocking I/O operations using channels, buffers, selectors, etc.

Networking

In this chapter, you will learn how to use the networking API in Java to create network applications that can communicate over the internet or a local area network (LAN), such as:

• The concept and terminology of networking

• The TCP/IP protocol suite and its layers

• The server socket class and its methods for accepting client connections

• The datagram socket class and its methods for sending and receiving datagrams

• The datagram packet class and its methods for encapsulating data in packets

• The URL class and its methods for working with uniform resource locators

• The URL connection class and its methods for establishing connections to URLs

• The HTTP URL connection class and its methods for handling HTTP requests and responses

• The URI class and its methods for working with uniform resource identifiers

• The inet address class and its methods for working with IP addresses

• The inet 4 address and inet 6 address classes for working with IPv4 and IPv6 addresses

• The network interface class and its methods for working with network interfaces

You will also learn how to use the RMI (Remote Method Invocation) API to create distributed applications that can invoke methods on remote objects.

JDBC

In this chapter, you will learn how to use the JDBC (Java Database Connectivity) API to connect to various databases and perform CRUD (Create, Read, Update, Delete) operations on them, such as:

• The concept and architecture of JDBC

• The JDBC drivers and their types

• The connection interface and its methods for establishing connections to databases

• The statement interface and its methods for executing SQL statements

• The prepared statement interface and its methods for executing parameterized SQL statements

• The callable statement interface and its methods for executing stored procedures

• The result set interface and its methods for retrieving data from databases

• The result set metadata interface and its methods for obtaining information about result sets

• The database metadata interface and its methods for obtaining information about databases

• The transaction management in JDBC

• The batch processing in JDBC

The row set interface and its subinterfaces: JdbcRowSet, CachedRowSet, WebRowSet, JoinRowSet, FilteredRowSet

You will also learn how to use the JPA (Java Persistence API) to map Java objects to database tables using annotations.

Lambda expressions and functional interfaces

In this chapter, you will learn how to use lambda expressions and functional interfaces in Java to create anonymous functions that can be passed as arguments or returned as values, such as:

• The concept and syntax of lambda expressions in Java

• The functional interfaces and their types in Java

• The predefined functional interfaces in the java.util.function package: Predicate, Consumer, Supplier, Function, UnaryOperator, BinaryOperator, BiPredicate, BiConsumer, BiFunction

• The method references and constructor references in Java

• The lambda scopes and variable capture in Java

• The optional class and its methods for handling null values in Java

You will also learn how to use the stream API to create and process streams of data using lambda expressions and functional interfaces.

Date and time API

In this chapter, you will learn how to use the date and time API in Java to work with dates, times, instants, durations, periods, zones, offsets, formats, etc., such as:

• The concept and problems of date and time handling in Java

• The java.time package and its classes and interfaces: LocalDate, LocalTime, LocalDateTime, Instant, Duration, Period, ZoneId, ZoneOffset, ZonedDateTime, OffsetDateTime, OffsetTime

• The temporal interface and its subinterfaces: TemporalAccessor, TemporalAdjuster, TemporalAmount, TemporalQuery

• The temporal field interface and its implementations: ChronoField, WeekFields

• The temporal unit interface and its implementations: ChronoUnit

• The date time formatter class and its methods for formatting and parsing date and time objects

• The date time formatter builder class and its methods for creating custom date and time formatters

• The date time parse exception class and its methods for handling parsing errors

• The chrono local date interface and its implementations: HijrahDate, JapaneseDate, MinguoDate, ThaiBuddhistDate

• The chrono local date time interface and its implementations: HijrahDateTime, JapaneseDateTime, MinguoDateTime, ThaiBuddhistDateTime

• The chrono zoned date time interface and its implementations: HijrahZonedDateTime, JapaneseZonedDateTime, MinguoZonedDateTime, ThaiBuddhistZonedDateTime

• The chrono period interface and its implementations: HijrahPeriod, JapanesePeriod, MinguoPeriod, ThaiBuddhistPeriod

• The chrono unit enum and its constants for representing chronological units

• The clock class and its methods for obtaining the current time from various sources

• The year class and its methods for representing years

• The year month class and its methods for representing year-month combinations

• The month day class and its methods for representing month-day combinations

You will also learn how to use the legacy classes such as Date, Calendar, TimeZone, etc. and how to convert them to the new classes using the toInstant() and from() methods.

Nashorn JavaScript engine and scripting API

In this chapter, you will learn how to use the Nashorn JavaScript engine and scripting API in Java to execute JavaScript code from Java applications or vice versa. You will also learn how to:

• Create a script engine manager and a script engine object

• Evaluate JavaScript code from a string or a file

• Bind Java objects to JavaScript variables

• Invoke JavaScript functions from Java code

• Access Java classes and objects from JavaScript code

• Use the jjs command-line tool to run JavaScript code

• Use the Java shell (JShell) to interact with JavaScript code

• Use the javax.script package and its classes and interfaces: ScriptEngineManager, ScriptEngine, ScriptEngineFactory, ScriptContext, Bindings, ScriptException, Compilable, CompiledScript, Invocable, etc.

You will also learn how to use the JavaFX API to create graphical user interfaces using JavaScript and HTML.

JShell and REPL (Read-Eval-Print Loop)

In this chapter, you will learn how to use the JShell tool and the REPL (Read-Eval-Print Loop) feature in Java to interactively evaluate Java expressions and statements without writing a full Java program. You will also learn how to:

• Launch and exit the JShell tool

• Enter and execute Java expressions and statements in JShell

• Use JShell commands and shortcuts to control the JShell session

• Declare and use variables, methods, classes, and imports in JShell

• Edit and re-execute snippets of code in JShell

• Save and load JShell sessions to and from files

• Configure and customize JShell using startup scripts and options

• Use JShell APIs to programmatically access and manipulate JShell from Java code

You will also learn how to use the JShell tool to test and debug Java code quickly and easily.

Modules

In this chapter, you will learn how to use modules in Java to create modular applications that are composed of self-contained and reusable units of code. You will also learn how to:

• The concept and benefits of modularity in Java

• The structure and components of a module in Java

• The module descriptor file (module-info.java) and its contents

• The module path and the class path in Java

• The module system and its components: ModuleFinder, ModuleLayer, ModuleReference, ModuleDescriptor, etc.

• The module declarations and directives: module, requires, exports, opens, provides, uses, etc.

• The module resolution and accessibility rules in Java

• The unnamed module and the automatic module in Java

• The service provider interface (SPI) and the service loader class in Java

• The modular JAR file and its creation using the jar tool

• The modular application and its compilation using the javac tool

• The modular application and its execution using the java tool

• The modular application and its packaging using the jlink tool

• The modular application and its documentation using the javadoc tool

You will also learn how to use the jdeps tool to analyze the dependencies of a modular application.

Annotations

In this chapt