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import java.io.EOFException;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.PrintStream;
import java.util.Scanner;
public class Dmv
{
private static void sort(Vehicle[] paramArrayOfVehicle)
{
for (int i = 0; i < paramArrayOfVehicle.length; i++) {
for (int j = 0; j < paramArrayOfVehicle.length - 1; j++) {
if ((paramArrayOfVehicle[j] != null) && ((paramArrayOfVehicle[(j + 1)] == null) || (paramArrayOfVehicle[j].getLicensePlate().compareTo(paramArrayOfVehicle[(j + 1)].getLicensePlate()) > 0)))
{
Vehicle localVehicle = paramArrayOfVehicle[j];
paramArrayOfVehicle[j] = paramArrayOfVehicle[(j + 1)];
paramArrayOfVehicle[(j + 1)] = localVehicle;
}
}
}
}
private static int findFree()
{
for (int i = 0; i < database.length; i++) {
if (database[i] == null) {
return i;
}
}
return -1;
}
private static int findvehicle(String paramString)
{
paramString = paramString.toUpperCase();
for (int i = 0; i < database.length; i++) {
if ((database[i] != null) && (database[i].getLicensePlate().compareTo(paramString) == 0)) {
return i;
}
}
return -1;
}
private static Vehicle[] database = new Vehicle[100];
private static int count = 0;
public static void main(String[] paramArrayOfString)
{
Scanner localScanner = new Scanner(System.in);
int i = -1;
while (i != 0)
{
System.out.println("\nDMV Vehicle Database");
System.out.println("0 Exit");
System.out.println("1 List Vehicles");
System.out.println("2 Display Vehicle Record");
System.out.println("3 Add Vehicle");
System.out.println("4 Remove Vehicle");
System.out.println("5 Load Database from File");
System.out.println("6 Save Database to File");
System.out.print("Choice> ");
i = localScanner.nextInt();
localScanner.nextLine();
String str2;
Object localObject;
switch (i)
{
case 1:
if (count > 0) {
for (int j = 0; j < database.length; j++) {
if (database[j] != null) {
System.out.println(database[j]);
}
}
} else {
System.out.println("*** No Records In Database ***");
}
break;
case 2:
System.out.print("Enter License Plate> ");
String str1 = localScanner.nextLine();
int m = findVehicle(str1);
if (m < 0) {
System.out.println("*** Plate " + str1 + " Not Found ***");
} else {
System.out.println(database[m]);
}
break;
case 3:
int k = findFree();
if (k < 0)
{
System.out.println("*** Database Full ****");
}
else
{
System.out.print("Enter License Plate> ");
String str4 = localScanner.nextLine();
System.out.print("Enter Owner> ");
String str5 = localScanner.nextLine();
System.out.print("Enter Phone Number> ");
String str6 = localScanner.nextLine();
database[k] = new Vehicle(str4, str5, str6);
sort(database);
count += 1;
}
break;
case 4:
System.out.print("Enter License Plate> ");
str2 = localScanner.nextLine();
int n = findVehicle(str2);
if (n < 0)
{
System.out.println("*** Plate " + str2 + " Not Found ***");
}
else
{
database[n] = null;
count -= 1;
}
break;
case 5:
try
{
System.out.print("Enter Filename> ");
str2 = localScanner.nextLine();
localObject = new ObjectInputStream(new FileInputStream(str2));
for (int i1 = 0; i1 < database.length; i1++) {
database[i1] = null;
}
count = 0;
try
{
for (i1 = 0; i1 < database.length; i1++)
{
database[i1] = ((Vehicle)((ObjectInputStream)localObject).readObject());
count += 1;
}
}
catch (EOFException localEOFException) {}
((ObjectInputStream)localObject).close();
}
catch (Exception localException1)
{
System.out.println("*** File Error ***");
System.out.println(localException1);
}
case 6:
try
{
System.out.print("Enter Filename> ");
String str3 = localScanner.nextLine();
localObject = new ObjectOutputStream(new FileOutputStream(str3));
for (int i2 = 0; i2 < database.length; i2++) {
if (database[i2] != null) {
((ObjectOutputStream)localObject).writeObject(database[i2]);
}
}
((ObjectOutputStream)localObject).close();
}
catch (Exception localException2)
{
System.out.println("*** File Error ***");
System.out.println(localException2);
}
}
}
以下是6个错误，我接受。我需要帮助。这是我正在为下周的最终项目所做的一个dmv计划。 JJJJJHJGHGHKJHKLJJJKLJLKLKLKLKJLKLKJKLLKJJLKLKKLLKJLK JLjLKjLKjJ kjKJ JJ：LJ：L：LJ：LJ;焦耳; JkhkgKXJBKJBkB千焦千焦kG的ķKJgKJKglfGģ1G中
Dmv.java:86: error: cannot find symbol
int m = findVehicle(str1);
^
symbol: method findVehicle(String)
location: class Dmv
Dmv.java:118: error: cannot find symbol
int n = findVehicle(str2);
^
symbol: method findVehicle(String)
location: class Dmv
Dmv.java:142: error: cannot find symbol
for (i1 = 0; i1 < database.length; i1++)
^
symbol: variable i1
location: class Dmv
Dmv.java:142: error: cannot find symbol
for (i1 = 0; i1 < database.length; i1++)
^
symbol: variable i1
location: class Dmv
Dmv.java:142: error: cannot find symbol
for (i1 = 0; i1 < database.length; i1++)
^
symbol: variable i1
location: class Dmv
Dmv.java:144: error: cannot find symbol
database[i1] = ((Vehicle)
((ObjectInputStream)localObject).readObject());
^
symbol: variable i1
location: class Dmv
6 errors