#programming-tips
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Some Java programs need input from the user. To accept input from the user, use the Scanner class. The Scanner class has methods that accept different...
A string is a sequence of characters. Sometimes we need to access a character in the string. The Java String function charAt() returns the character...
Sometimes it is helpful to know if a character is a digit (0-9) or not. The Java built-in Character class provides an isDigit() function that...
JavaScript programs execute in the browser. That means you need an HTML document. Here is a simple one to start with: <!DOCTYPE html> <html...
Background How would you translate a vanity phone number like 1 800 RED CROSS to its actual phone number: 1-800-733-2767? If you're dialing the number...
A Step-by-Step Guide · An integrated development environment (IDE) makes writing code easy. Visual Studio Code is an IDE that works well with a variety...
