Articles by Jeff Friesen

Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This tutorial teaches you how to declare classes, describe attributes via fields, describe behaviors via methods, initialize objects via con…

Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This tutorial teaches you how to declare classes, describe attributes via fields, describe behaviors via methods, initialize objects via con…

Java applications evaluate expressions in the context of statements, which are used for tasks such as declaring a variable, making a decision, or iterating over statements. A statement can be expressed as a simple or a compound statement:
A simple …

Java applications evaluate expressions in the context of statements, which are used for tasks such as declaring a variable, making a decision, or iterating over statements. A statement can be expressed as a simple or a compound statement:
A simple …

Java applications process data by evaluating expressions, which are combinations of literals, method calls, variable names, and operators. Evaluating an expression typically produces a new value, which can be stored in a variable, used to make a dec…

Java applications process data by evaluating expressions, which are combinations of literals, method calls, variable names, and operators. Evaluating an expression typically produces a new value, which can be stored in a variable, used to make a dec…

Java is an object-oriented programming language, but there’s more to Java than programming with objects. This tutorial is the first of several introducing non-object-oriented features and syntax that are fundamental to the Java language. You’ll lea…

Java is an object-oriented programming language, but there’s more to Java than programming with objects. This tutorial is the first of several introducing non-object-oriented features and syntax that are fundamental to the Java language. You’ll lea…

So, you want to program in Java? That’s great, and you’ve come to the right place. The Java 101 series provides a self-guided introduction to Java programming, starting with the basics and covering all the core concepts you need to know to become a …

So, you want to program in Java? That’s great, and you’ve come to the right place. The Java 101 series provides a self-guided introduction to Java programming, starting with the basics and covering all the core concepts you need to know to become a …