Java: Classes in Java Applications An Introduction to Java Programming

Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This book will teach you how to declare classes, describe attributes via fields, describe behaviors via methods, initialize objects via constructors, and instantiate objects from classes and access their members.The three books in the Java series aim to give the learner a deep understanding of the Standard Edition (SE) Application Programming Interface (API) of the Java programming language. The series begins with an introduction to the basic concepts of Java objects and concludes with an exploration of the development of Java programmes that employ a graphical user interface to the business logic of a Java application. Content 1. Using the Java Application Programming Interface 1.1. Documentation in Developer-Written Java Classes 1.2. Documentation in the Java Application Programming Interface 2. Flow Control 2.1. Introduction to Flow Control 2.2. Sequential Flow 2.3. Conditional Flow 2.4. Making Decisions 2.5. Controlling the Repetition of Blocks of Code 2.6. Deciding Which Construct to Use 2.7. Branching Statements 2.8. Handling Exception Objects 3. Extending Classes by Means of Inheritance 3.1. What Does Inheritance Mean? 3.2. Overriding and Hiding Methods in a Subclass 3.3. Invoking a Parent Class Constructor from a Subclass Constructor 3.4. final and abstract Classes 3.5. What Does Type Compatibility Mean? 3.6. Virtual Method Invocation 3.7. Controlling Access to the Members of a Class 3.8. Summary of Inheritance 4. Errors in Java Programmes 4.1. Categories of Error 4.2. What are Unexpected Error Conditions? 4.3. Checked Exceptions 4.4. try ... catch ... finally Blocks 4.5. Throwing Exceptions 4.6. Exceptions in the Themed Application 4.7. Summary of Exceptions 5. Java Interfaces 5.1. What is a Java Interface? 5.2. Defining and Implementing a Java Interface 5.3. The Role of Interfaces as a Means to Introduce Behaviour to a Class 5.4. Interfaces as Types 5.5. Summary of Java Interfaces 6. Grouping Classes Together in a Java Application 6.1. An Introduction to Java Packages 6.2. Creating Packages 6.3. Naming Convention 6.4. Packages in the Java Language 6.5. Using and Accessing Package Members 6.6. Compiling and Running Package Members Sisältö Using the Java Application Programming Interface Documentation in Developer-Written Java Classes Documentation in the Java Application Programming Interface Flow Control Introduction to Flow Control Sequential Flow Conditional Flow Making Decisions Controlling the Repetition of Blocks of Code Deciding Which Construct to Use Branching Statements Handling Exception Objects Extending Classes by Means of Inheritance What Does Inheritance Mean? Overriding and Hiding Methods in a Subclass Invoking a Parent Class Constructor from a Subclass Constructor final and abstract Classes What Does Type Compatibility Mean? Virtual Method Invocation Controlling Access to the Members of a Class Summary of Inheritance Errors in Java Programmes Categories of Error What are Unexpected Error Conditions? Checked Exceptions try ... catch ... finally Blocks Throwing Exceptions Exceptions in the Themed Application Summary of Exceptions Java Interfaces What is a Java Interface? Defining and Implementing a Java Interface The Role of Interfaces as a Means to Introduce Behaviour to a Class Interfaces as Types Summary of Java Interfaces Grouping Classes Together in a Java Application An Introduction to Java Packages Creating Packages Naming Convention Packages in the Java Language Using and Accessing Package Members Compiling and Running Package Members Innhold Using the Java Application Programming Interface Documentation in Developer-Written Java Classes Documentation in the Java Application Programming Interface Flow Control Introduction to Flow Control Sequential Flow Conditional Flow Making Decisions Controlling the Repetition of Blocks of Code Deciding Which Construct to Use Branching Statements Handling Exception Objects Extending Classes by Means of Inheritance What Does Inheritance Mean? Overriding and Hiding Methods in a Subclass Invoking a Parent Class Constructor from a Subclass Constructor final and abstract Classes What Does Type Compatibility Mean? Virtual Method Invocation Controlling Access to the Members of a Class Summary of Inheritance Errors in Java Programmes Categories of Error What are Unexpected Error Conditions? Checked Exceptions try ... catch ... finally Blocks Throwing Exceptions Exceptions in the Themed Application Summary of Exceptions Java Interfaces What is a Java Interface? Defining and Implementing a Java Interface The Role of Interfaces as a Means to Introduce Behaviour to a Class Interfaces as Types Summary of Java Interfaces Grouping Classes Together in a Java Application An Introduction to Java Packages Creating Packages Naming Convention Packages in the Java Language Using and Accessing Package Members Compiling and Running Package Members The three books in the Java series aim to give the learner a deep understanding of the Standard Edition (SE) Application Programming Interface (API) of the Java programming language. The series begins with an introduction to the basic concepts of Java objects and concludes with an exploration of the development of Java programmes that employ a graphical user interface to the business logic of a Java application. You can download the book via the link below. The three books in the Java series aim to give the learner a deep understanding of the Standard Edition (SE) Application Programming Interface (API) of the Java programming language. You can download the book for free via the link below.