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How to let users supply numeric input to your programs.

What You'll Learn: This problem includes * Arrays * Loops (FOR, WHILE) * Decisions (IF) * User Input, and more! I created a ...

The video shows how to use Java to input an integer in using a loop that keeps asking for a valid input if the user inputs a negative ...

A while loop lets your programs repeatedly ask for user input until they enter a “sentinel value” to tell you they have finished.

Using the Scanner Class and JOptionPane class.

Use a *while* loop to repeatedly get input in a program.

Handling a two-dimensional arrays that represent a matrix of rows and columns.

In this video tutorial, we'll explore the powerful Java Supplier interface and learn how it can simplify your code by generating data ...

Arrays are reference variables, which means simple assignment doesn't make a copy of the values.

Here are two approaches to solving the problem. (I'm not entirely happy with this video; the script just didn't seem to “click” for me, ...

Working with parallel arrays in java.

In a preceding video, we had duplicated code to read the user input outside the loop and inside the loop. To avoid duplicated ...

Taking user input in Java *What is BufferedReader? *Importing three classes from Java.io package *How to take the input from the ...

Open a text file using the Java Scanner. Read and display the contents of the file either line by line or by individual fields on each ...

These videos were made for DiscoverE's second MOOC, Intro to App Design, which was released in October 2015. This is a free ...

Using if, if else, and while statements in Java.

ArrayLists let you store an arbitrary number of items, unlike Arrays, which have a fixed length. Here are some of the most-used ...

This video shows the building blocks you use for every Java program you'll write in this course. One additional note: The program ...

Java Exceptions using try...throw...catch with the Electric BIll as an example. The discussion covers inputMismatchException and ...