helloworldapp.java

来自「北大Java 语言程序设计 ppt课件及源码」· Java 代码 · 共 10 行

/** 
 * The HelloWorldApp class implements an application that
 * simply displays "Hello World!" to the standard output.
 */
class HelloWorldApp {
    public static void main(String[] args) {
        System.out.println("Hello World!"); //Display the string.
    }
}