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/**
* 打印机类
* 实现了Printable接口，具有打印功能
*/
public class Printer implements Printable {
private String name;
* 构造函数
* @param name 打印机名称
public Printer(String name) {
this.name = name;
}
@Override
public void print() {
System.out.println(name + " 正在打印...");
* 获取打印机名称
* @return 打印机名称
public String getName() {
return name;
