/**
 * 打印机类
 * 实现了Printable接口
 */
public class Printer implements Printable {
    private String name;
    
    public Printer(String name) {
        this.name = name;
    }
    
    @Override
    public void print() {
        System.out.println(name + " 打印机正在打印文档...");
    }
    
    public String getName() {
        return name;
    }
}