借书用java的源代码 用java编写借书卡程序( 四 )


int n = scan.nextInt();
for (int i = 0; i10; i++) {
if (n == all[i].num) {
for (int j = 0; j3; j++) {
if (self[j] == all[i]) {
self[j] = null;
System.out.println("还书成功");
}
}
}
}
}
void have(Books[] self) {
//for (int i = 0; i2; i++) {
//self[i].showBookInfo();
//}
for (int i = 0; i3; i++) {
if(self[i]!=null)
self[i].showBookInfo();
}
}
void giveMoney() {
}
void borrowBooks(Books[] all, Books[] self) {
System.out.println("请输入您要查找的书名:");
String n = scan.next();
int i;
for (i = 0; i10; i++) {
if (n.equals(all[i].name)) {
all[i].showBookInfo();
break;
}
}
//System.out.println("你要借吗?");
System.out.println("你要借吗?输入1表示借,其他数字表示不借 。");
int j;
j = scan.nextInt();
if (j == 1) {
System.out.println("借阅成功");
//self[score] = all[9];
self[score] = all[i];
score += 1;
}
if (score4) {
System.out.println("您还可以借阅" + (3 - score) + "本");
} else {
System.out.println("对不起,一个人只能借3本");
}
}
}
class Books {
String name;
int num;
String ISBN;
String writer;
float price;
String publisher;
Books(String n, int u, String i, String w, float p, String l) {
name = n;
num = u;
ISBN = i;
writer = w;
price = p;
publisher = l;
}
void showBookInfo() {
System.out.println("**************************");
System.out.println("书名:" + name);
System.out.println("索书号:" + num);
System.out.println("ISBN号:" + ISBN);
System.out.println("价格:" + price);
System.out.println("出版社:" + publisher);
System.out.println("**************************");
}
}
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