模拟打印机
package zuoye01; public interface Color { public String caiShe(); } package zuoye01; public interface HeiBai { public String heiBai(); } package zuoye01; public class Int_Color implements Color,HeiBai{ @Override public String heiBai() { // TODO Auto-generated method stub return "黑白"; } @Override public String caiShe() { // TODO Auto-generated method stub return "彩色"; } }
package zuoye01; public interface Size01 { public String A4(); } package zuoye01; public interface Size02 { public String B5(); } package zuoye01; public class PrintSize implements Size01,Size02{ @Override public String B5() { // TODO Auto-generated method stub return "B5"; } @Override public String A4() { // TODO Auto-generated method stub return "A4"; } }
//印刷机 要实现印刷大小 和 印刷出的颜色 应该再弄一个专门加工印刷纸的工厂 //以及再弄一个印刷颜色的工厂 实现出来拼装出来两个 再把这两个分别实现 package zuoye01; import java.util.Scanner; public class printer { static Scanner sc = new Scanner(System.in); public static void main(String[] args) { String mouHe_Color = null; String printSize = null; System.out.println("请选择印刷纸大小(A4和B5)"); String choose01 = sc.next(); PrintSize daXiao = new PrintSize(); if ("A4".equals(choose01)) { printSize = daXiao.A4(); } else if ("B5".equals(choose01)) { printSize = daXiao.B5(); } System.out.println("请选择印刷颜色(黑白和彩色)"); Int_Color mouHe = new Int_Color(); String choose02 = sc.next(); if ("黑白".equals(choose02)) { mouHe_Color = mouHe.heiBai(); } else if ("彩色".equals(choose02)) { mouHe_Color = mouHe.caiShe(); } System.out.println("-----------------\n"); System.out.println("正在使用"+mouHe_Color+"颜色在"+printSize+"上打印"); } }