maryam za
سه شنبه 25 شهریور 1393, 15:50 عصر
با سلام
دوستان من قطعه کد زیر رو وقتی وارد قسمت اضافه کردن کاربر می شم توی لوپ می افته .... نمیدونم چرا؟
package Lib;
import java.io.IOException;
public class Library {
static int Status=0;
static int Stat=0;
static Book Records=new Book(null,null,null,null,null,null);
static User ArrUser[]=new User[1000];
public static void main(String[] args) {
System.out.println("Please Enter :\n 1:For add book\n 2:For add user\n 3:Search\n 4:Exit");
try {
Status = (System.in.read());
Stat=Status-48;
}
catch (IOException ex) {
ex.getStackTrace();
}
if (Stat==4){
Exit();
}
Switch(Stat);
}
public static int Switch(int mode){
if (mode==1){
RecordBook();
mode= Again();
Switch (mode);
}
else if (mode==2){
RecordUser();
mode=Again();
Switch (mode);
}
else if (mode==3){
Switch (mode);
}
return mode;
}
public static void RecordUser(){
System.out.println("You can enter 5 users each time");
int i = 5;
for(int j=0;j<=i;i++){
ArrUser[j]=new User();
System.out.println("Enter Name:");
String name= Records.scan();
ArrUser[j].name=name;
System.out.println("Enter Family:");
String family= Records.scan();
ArrUser[j].family=family;
System.out.println("Enter Code:");
String Code= Records.scan();
ArrUser[j].Code=Code;
System.out.println("------------------------------------");
System.out.println("Name:"+ ArrUser[0]+"Family:"+ ArrUser[1]+"Code:"+ArrUser[2]);
}
}
public static void RecordBook(){
System.out.println("Enter BookName:");
String BookName= Records.scan();
System.out.println("Enter WriterName:");
String WriterName= Records.scan();
System.out.println("Enter PublisherName:");
String PublisherName= Records.scan();
System.out.println("Enter ISBN:");
String ISBN= Records.scan();
System.out.println("Enter ID:");
String ID= Records.scan();
System.out.println("Enter Count:");
String Count= Records.scan();
System.out.println("------------------------------------");
}
public static int Again(){
System.out.println("Please Enter :\n 1:For add book\n 2:For add user\n 3:Search\n 4:Exit");
try {
Stat= System.in.read();
Stat=Stat-48;
}
catch (IOException e) {
e.printStackTrace();
}
return Stat;
}
public static void Exit(){
if (Stat==4){
System.out.println("Exit");
System.exit(0);
}
}
}
دوستان من قطعه کد زیر رو وقتی وارد قسمت اضافه کردن کاربر می شم توی لوپ می افته .... نمیدونم چرا؟
package Lib;
import java.io.IOException;
public class Library {
static int Status=0;
static int Stat=0;
static Book Records=new Book(null,null,null,null,null,null);
static User ArrUser[]=new User[1000];
public static void main(String[] args) {
System.out.println("Please Enter :\n 1:For add book\n 2:For add user\n 3:Search\n 4:Exit");
try {
Status = (System.in.read());
Stat=Status-48;
}
catch (IOException ex) {
ex.getStackTrace();
}
if (Stat==4){
Exit();
}
Switch(Stat);
}
public static int Switch(int mode){
if (mode==1){
RecordBook();
mode= Again();
Switch (mode);
}
else if (mode==2){
RecordUser();
mode=Again();
Switch (mode);
}
else if (mode==3){
Switch (mode);
}
return mode;
}
public static void RecordUser(){
System.out.println("You can enter 5 users each time");
int i = 5;
for(int j=0;j<=i;i++){
ArrUser[j]=new User();
System.out.println("Enter Name:");
String name= Records.scan();
ArrUser[j].name=name;
System.out.println("Enter Family:");
String family= Records.scan();
ArrUser[j].family=family;
System.out.println("Enter Code:");
String Code= Records.scan();
ArrUser[j].Code=Code;
System.out.println("------------------------------------");
System.out.println("Name:"+ ArrUser[0]+"Family:"+ ArrUser[1]+"Code:"+ArrUser[2]);
}
}
public static void RecordBook(){
System.out.println("Enter BookName:");
String BookName= Records.scan();
System.out.println("Enter WriterName:");
String WriterName= Records.scan();
System.out.println("Enter PublisherName:");
String PublisherName= Records.scan();
System.out.println("Enter ISBN:");
String ISBN= Records.scan();
System.out.println("Enter ID:");
String ID= Records.scan();
System.out.println("Enter Count:");
String Count= Records.scan();
System.out.println("------------------------------------");
}
public static int Again(){
System.out.println("Please Enter :\n 1:For add book\n 2:For add user\n 3:Search\n 4:Exit");
try {
Stat= System.in.read();
Stat=Stat-48;
}
catch (IOException e) {
e.printStackTrace();
}
return Stat;
}
public static void Exit(){
if (Stat==4){
System.out.println("Exit");
System.exit(0);
}
}
}