An array in Java is a type of variable ... to store phone numbers, for example. Here, you might use the numbers as the values and the names of the contacts as the index. So “197701289321 ...

System.out.println(arraySize); //The Java array length example prints out the number 5 Arrays in Java use zero-based counting. This means that the first element in an array is at index zero. However, ...

When a button is clicked, the windows closes and the array index of the ... s showOptionDialog example takes advantage of each parameter. It adds a red JFrame upon which to display the dialog box, and ...

Java has a "Random" class that lets you generate a random number you use to implement calculations in your Java source code. You use this library to generate a random number and insert the number ...