Debugging Concepts | Java Programming for Complete Beginners

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Java Programming for Complete Beginners

By : Learnkart Technology Private Limited

2 (1)

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Java Programming for Complete Beginners

2 (1)

By: Learnkart Technology Private Limited

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Overview of this book

Java programming language is very powerful and scalable and is used to create different software applications. The main reason many companies use Java is its popularity and usage in the industry. According to many official websites that track the popularity of languages, Java is either #1 or in the top 3. So, that means more companies and their staff are using it, so there are more career opportunities available for you if you are skilled in the language. You will start by understanding all the core OOPS concepts, what polymorphism and inheritance is, and apply them to your application. You will also learn all the essential Java keywords, operators, statements, loops, and expressions. You will understand how to download and install all the necessary coding tools and learn to perform code refactoring. Along the course, you will learn how to use different packages available. You will learn the concepts and usage of multithreading. Learn how to analyze logs and explore Java debugging techniques such as stack trace and breakpoints. You will also learn how to use the JUnit framework and implement Java design patterns. By the end of this course, you will have understood the building blocks of Java programming language. All resources and code files are placed here: https://github.com/PacktPublishing/Java-Programming-for-Complete-Beginners

Java 11 Introduction and OOPS Concepts

Learning Objectives

Introduction

Working of Java Program

Object-Oriented Programming

Install and Work with Eclipse

Basic Elements of Java

Unicode Characters

Variables

Data Types

Operators

Logical Operator

Operators Precedence

Type Casting – Type Conversion

Conditional Statements

Nested-if

Loops

'For' Versus 'While' Versus 'Do While'

Access Specifiers

Java 11

'NULL', 'this' and 'instanceof' Operators

Destructors

Code Refactoring

Garbage Collector

Static Code Analysis

String

Arrays – Part 1

Arrays – Part 2

'for each' Loop

Method Overloading

Command-Line Arguments

Parameter Passing Techniques

Types of Parameters

Variable Arguments

Initializer

Demo – Basic Java Program

Demo – Displaying Content

Demo – Quiz Program

Demo – String Functions Program

Demo – Student Record Program

Summary

Utility Packages and Inheritance

Learning Objective

Packages in Java

Demo – Utility Package

Inheritance in Java

Demo – Bank Account Statement Using Inheritance

Object Type Casting

Method Overriding

Demo – House Architecture using Polymorphism

Lambda Expression

Static Variable and Methods

Abstract Classes

Interface in Java

Java Set Interface

Marker Interface

Inner Class

Exception Handling in Java

Demo – Exception Handling

Memory Management

Summary

Multithreading Concepts

Learning Objective

Multithreading

Introduction to Threads

Threads Lifecycle

Thread Priority

Daemon Thread

Thread Scheduling and Sleeping

Thread Synchronization

Wrapper Classes

Autoboxing and Unboxing

'java util' and 'java lang' Classes

javalang – String Class

javautil – StringBuilder and StringTokenizer Classes

javalang – Math Class

javautil – Locale Class

Java Generics

Collections Frameworks

Set Interface in Collections

Hashcode() in Collections

List in Collections

Queues in Collections

Comparator Interface in Collections

Deque in Collections

Map in Collections

'for each' method

Difference: Collections and Array Class

Input Output Stream

Java.io.File Class

Byte Stream Hierarchy

CharacterStream Classes

Serialization

JUnit

Logger – Log4j

Demo – Sorting Student Registration Using Arrays

Demo – Stack, Queue, and Linked List

Demo – Multithreading

Summary

Debugging Concepts

Learning Objective

Debugging Techniques

Tracing and Logging Analysis

Log Levels and Log Analysis

Stack Trace

Logging using Log4j

Best practices of Log4j – Part 1

Best Practices of Log4j – Part 2

Log4j Levels

Eclipse Debugging

Setting Breakpoints

Stepping Through or Variable Inspection

Demo – Analysis of Reports with Logging

Summary

JUnit

Learning Objective

Introduction

Unit Testing

JUnit Test Framework

JUnit Test Framework - Annotation

JUnit Test Framework – Assert Class

JUnit Test Framework – Test Suite

JUnit Test Framework – Exceptions Test

Demo – Generating Report using JUnit

Demo – testing Student Mark System using JUnit

Summary

Java Cryptographic Extensions

Learning Objective

Cryptography

Types of Authenticators

CHACHA20 Stream Cipher and Poly1305 Authenticator

Example Program

Demo – Cryptographic Program

Summary

Design Patterns

Learning Objective

Introduction to Design Patterns

Types of Design Patterns

Creational Patterns

Factory Method Pattern

Demo – Creating a Family of Objects Using the Factory Design Pattern

Singleton Design Pattern

Builder Pattern

Structural Pattern

Adapter Pattern

Bridge Pattern

Facade Pattern

Flyweight Design Pattern

Behavioral Design Pattern

Demo – Loan Approval Process Using Behavioral Design Pattern

Chain of Responsibility Pattern

Command Design Pattern

Interpreter Design Pattern

Iterator Design Pattern

Mediator Design Pattern

Memento Design Pattern

NULL Object Design

Observer Design Pattern

State Design Pattern

Demo – State Design Pattern

Strategy Design Pattern

Template Design Pattern

Visitor Design Pattern

JEE or J2EE Design Patterns

Summary

Java Programming for Complete Beginners

By : Learnkart Technology Private Limited

Java Programming for Complete Beginners

By: Learnkart Technology Private Limited

Overview of this book

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