interfaces.java

来自「java技术内幕源代码,配合书籍看有事半功倍的效果」· Java 代码 · 共 23 行

interface Printem 
{
    void printText();
}

public class interfaces 
{
    public static void main(String[] args)
    {
        class1 object1 = new class1();
        object1.printText();
    }
}

class class1 implements Printem
{
    public void printText()
    {
        System.out.println("Hello from Java!");
    }
}