In a previous Java 101 tutorial, you learned how to better organize your code by declaring reference types (also known as classes and interfaces) as members of other reference types and blocks. I also ...

There was a time when the use of the word ain’t was widely considered unacceptable, at least in polite society. Indeed, at that time (and perhaps still today), many people did (and do) not consider ...

When developing systems in Java, you often encounter situations where you need to implement mathematical calculations, such as calculating sales or determining areas. In such cases, you will use the ...

Static initialization blocks are executed when the class is loaded, and you can initialize static variables in those blocks. It's time to test your knowledge of Static initialization blocks. You can ...

System.out.printf("sqrt(900.0) = %.1f%n", sqrt(900.0)); System.out.printf("ceil(-9.8) = %.1f%n", ceil(-9.8)); ...