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发表于 2020-1-20 09:18:01
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显示全部楼层
改好了
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import java.io.*;
import java.util.*;
class stock {
static stock[] a=new stock[100];
static{
a[0] = new stock("Java", "PlayGrrrr...", 12);
a[1] = new stock("C#", "Bill Gates", 13);
a[2] = new stock("Delphi", "Boxer", 14);
a[3] = new stock("Oracle", "zy", 15);
}
String name;
String author;
int price;
public stock(){}
stock(String a, String b, int c) {
name = a;
author = b;
price = c;
}
void print() {
System.out.println("name is " + name);
System.out.println("author is " + author);
System.out.println("price is " + price);
}
stock [] get() {
return a;
}
}
class process {
void step1() {
System.out.println("do what?");
System.out.println("a.search b.add c.exit");
char ch = 0;
try {
ch = (char) System.in.read();
System.in.skip(2);
} catch (IOException z) {
}
if (ch == 'a') {
System.out.println("a.by name b.by author");
char ch2 = 0;
try {
ch2 = (char) System.in.read();
System.in.skip(2);
} catch (IOException z) {
}
if (ch2 == 'a') {
System.out.print("plz input the book's name:");
InputDate fuck = new InputDate();
fuck.findbookname();
}
if (ch2 == 'b') {
System.out.print("plz input the author's name:");
InputDate fuck2 = new InputDate();
fuck2.findauthorname();
}
}
if (ch == 'b') {
InputDate fuck3 = new InputDate();
fuck3.add();
}
if (ch == 'c') {
System.out.println("c u");
}
}
}
class InputDate {
static private String s;
static public void input() {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
try {
s = br.readLine();
} catch (IOException e) {
}
}
static public String getString() {
input();
return s;
}
static public int getInt() {
input();
return Integer.parseInt(s);
}
public void findbookname() {
stock mis = new stock();
stock a [] = mis.get(); // 这里就用到了上面改动过的 get方法
s = InputDate.getString();
Vector names = new Vector();
for (int i = 0; a[i ] != null&&i < a.length ; i++) {
names.add(a[i].name);
}
if (names.indexOf(s) != -1) {
System.out.println("u can fint it here!");
} else
System.out.println("sorry,there is not such a book!");
}
public void findauthorname() {
s = InputDate.getString();
stock mis = new stock();
stock a [] = mis.get();
Vector authornames = new Vector();
for (int i = 0; a[i] != null&&i < a.length ; i++) {
authornames.add(a[i].author);
}
if (authornames.indexOf(s) != -1) {
System.out.println("there is such a book!");
} else
System.out.println("i didn't hear that pl at all!");
}
public void add() {
System.out.println("plz input info:");
String ab, b;
int c;
ab = InputDate.getString();
b = InputDate.getString();
c = InputDate.getInt();
int i = 0;
stock mis = new stock();
stock a [] = mis.get();
while (a[i++] != null);
stock.a[i-1] = new stock(ab, b, c);
System.out.println("successfully added");
process a1 = new process();
a1.step1();
}
}
public class main {
public static void main(String args[]) {
process a1 = new process();
a1.step1();
}
}
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楼主