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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 ...

Using the Scanner Class and JOptionPane class.

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

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.

Working with parallel arrays in java.

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, ...

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

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

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 ...

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

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

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

Arrays can be accessed via pointers, and that is the preferred way to iterate through an array in C.

And there's some style hints here for doing user input. And talks about doing the prompts, printing blank lines again and blank ...