001/** 002 * This is part of HW0: Environment Setup and Java Introduction for CSE 331. 003 */ 004package hw3; 005 006/** 007 * HelloWorld is an implementation of the token 008 * introductory "Hello World" program. 009 * 010 * HelloWorld is also the superclass for other classes in this package. 011 */ 012@SuppressWarnings("nullness") 013public class HelloWorld { 014 015 /** the greeting to display when this getGreeting() is invoked */ 016 public static final String GREETING = "Hello World!"; 017 018 /** 019 * @effects prints the string "Hello World!" to the console 020 */ 021 public static void main(String[] args) { 022 HelloWorld myFirstHW = new HelloWorld(); 023 System.out.println(myFirstHW.getGreeting()); 024 } 025 026 /** 027 @return Returns a greeting (in English). 028 */ 029 public String getGreeting() { 030 return GREETING; 031 } 032 033}