public class HelloWorld { public static void main(String[] args) { // This is a comment! System.out.println("Hello World!"); //primitive data types int year = 2025; double pi = 3.14; boolean t = true; char grade = 'B'; //"String" must be capitalized. String name = "Reese"; int x = 5; System.out.println(x); //Increment x by 1 x++; System.out.println(x); // + = add or string concatenation // - = subtract // * = multiple // / = divide // % = modulo (remainder) } }