Sams Teach Yourself Java™ in 24 Hours, Sixth Edition

Storing Information in a Variable

In the programs you write, you need a place to store information for a brief period of time. You can do this by using a variable, a storage place that can hold information such as integers, floating-point numbers, true-false values, characters, and lines of text. The information stored in a variable can change, which is how it gets the name variable.

In Saluton.java file, replace Line 3 with the following:

String greeting = "Saluton mondo!";

This statement tells the computer to store the line of text “Saluton mondo!” in a variable called greeting.

In a Java program, you must tell the computer what type of information a variable will hold. In this program, greeting is a string—a line of text that can include letters, ...