Java Basics §

Reminders because my Java is rusty.

Array Syntax §

// Basic array
int[] array = { 2, 3, 6, 9 };
 
// 2D Array
int[][] array = {
					{ 2, 3, 6, 9 },
					{ 2, 3, 6, 9 }
				};
				
int[][] array = new int[10][20];

Helpers §

Character.isLetterOrDigit('x')