package overlaod;//import java.awt.print.Book;public class OverloadTest { private Book[ ] booksList;? ? void OverloadTest(Book[] booksList ){ Book booskList[] = { new Book("郁達夫隨筆：傷感旅行","郁達夫","北京大學出版社",38.0f), new Book("教育法學","李曉燕 主編","高等教育出版社",23.9f), new Book("普通化學原理與應用","畢德樂","高等教育出版社",89.0f), new Book("機關工會工作指南","郭紅美","中國工人出版社",36.0f) }; this.booksList = booksList; } OverloadTest(Book ... book){ booksList = book; } void getBookInfo(){ System.out.println("全部圖書："); //System.out.println(booksList); for(int i = 0; i< booksList.length; i++){ System.out.println("\t"+(i+1)+"."+booksList[i].title+ ? ? ? ? ? ? ? ? ? ? "\t"+booksList[i].author+ ? ? ? ? ? ? ? ? ? ? "\t"+booksList[i].publisher+ ? ? ? ? ? ? ? ? ? ? "\t"+booksList[i].price); } } void getBookInfo(float price){ System.out.println("價格為“"+price+"”的圖書"); int m = 1; for(int i = 0; i< booksList.length; i++){ if(booksList[i].price == price){ System.out.println("\t"+m+"."+booksList[i].title+ ? ? ? ? ? ? ? ? ? ? "\t"+booksList[i].author+ ? ? ? ? ? ? ? ? ? ? "\t"+booksList[i].publisher); m++; } } } void getBookInfo(String publisher){ System.out.println("出版社為“"+publisher+"”的圖書："); ?int m = 1; for(int i = 0; i < booksList.length; i++){ if(booksList[i].publisher == publisher){ System.out.println("\t"+m+"."+booksList[i].title+ ? ? ? ? ? ? ? ? ? ? "\t"+booksList[i].author+ ? ? ? ? ? ? ? ? ? ? "\t"+booksList[i].publisher); m++; } } } void getBookInfo(float price, String publisher){ System.out.println("價格為“"+price+"”且出版社為“"+publisher+"”的圖書："); int m = 1; for(int i = 0; i < booksList.length; i++){ if((booksList[i].price == price) & (booksList[i].publisher == publisher)){ System.out.println("\t"+m+"."+booksList[i].title+ ? ? ? ? ? ? ? ? ? ? "\t"+booksList[i].author); m++; } } } void getBookInfo(String publisher,float price){ System.out.println("出版社為“"+price+"”且價格為“"+publisher+"”的圖書："); int m = 1; for(int i = 0; i < booksList.length; i++){ if((booksList[i].publisher == publisher) & (booksList[i].price == price)){ System.out.println("\t"+m+"."+booksList[i].title+ ? ? ? ? ? ? ? ? ? ? "\t"+booksList[i].author); m++; } } } void getBookInfo(float...price) { String s =""; int ?m = 1; for(float bookPrice:price){ s = s + bookPrice + " "; } System.out.println("價格為“"+s.trim( )+"”的圖書："); for(float bookPrice:price){ int i = 0; while(i < booksList.length){ if(bookPrice == booksList[i].price){ System.out.println("\t"+(i+1)+"."+booksList[i].title+ ? ? ? ? ? ? ? ? ? ? "\t"+booksList[i].author+ ? ? ? ? ? ? ? ? ? ? "\t"+booksList[i].publisher+ ? ? ? ? ? ? ? ? ? ? "\t"+booksList[i].price); } i++; } } } //void getBookInfo(float[] price){}//方法重復 public static void main(String[ ] args){ OverloadTest ?overloadTest = new OverloadTest( ); overloadTest.getBookInfo( ); overloadTest.getBookInfo(36f); overloadTest.getBookInfo("高等教育出版社"); overloadTest.getBookInfo(89f,"高等教育出版社"); overloadTest.getBookInfo("北京大學出版社",38f); overloadTest.getBookInfo(36f,28f); overloadTest = null; overloadTest = new OverloadTest( new Book("藝術批評學","陳漢青","北京大學出版社",28.0f), new Book("工程力學","范欽山","高等教育出版社",71.0f)); overloadTest.getBookInfo( ); }}class Book{ String title; String author; String publisher; float price; Book(String title, String author, String publisher, float price){ this.title = title; this.author = author; this.publisher = publisher; this.price = price; }}