publicclassHelloWorld{publicstaticvoidmain(String[]args){
System.out.println("Hello World!");
System.out.println(Season.SPRING.toString());
System.out.println(Season.SPRING.value());}}enum Season{SPRING("spring"),SUMMER("summer"),AUTUMN("autumn"),WINTER("winter");publicfinal String value;privateSeason(String value){this.value= value;}public Stringvalue(){returnthis.value;}}
程序输出结果如下:
Hello World!SPRING
spring