Conventions used

There are a number of text conventions used throughout this book.

CodeInText: Indicates code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. Here is an example: "Make the getInstance method thread-safe by adding the synchronized keyword to its declaration."

A block of code is set as follows:

public class Car extends Vehicle
{
  public Car(String name)
  {
    super(name)
  }
}

Any command-line input or output is written as follows:

java --list-modules

Bold: Indicates a new term, an important word, or words that you see onscreen. For example, words in menus or dialog boxes appear in the text like this. Here is an example: "Before this change, you would need the complete Java Runtime Environment (JRE) as a whole to be loaded on a server or a machine to run the Java application."

Warnings or important notes appear like this.

Tips and tricks appear like this.