Mình code bài tập này từ C giờ mình muốn chuyển nó sang java thi làm như thế nào vậy mấy bạn?
#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
#include <string.h>
/* HIDE FUNCTION FOR DEVELOPER: 205. Print current i */
char del1[8],del2[50];
struct student{
char sid[8];
char sname[50];
char sdob[50];
char semail[50];
char sphone[50];
char saddress[50];
} student_list [1000];
void add(int *i){
g12:
printf("Input student ID: "); fflush(stdin); gets(student_list[*i].sid);
if (strlen(student_list[*i].sid)==7)
{
int result1, result2, result3;
result1 = strncmp(student_list[*i].sid,"GC", 2);
result2 = strncmp(student_list[*i].sid,"GT", 2);
int j=2;
do {
result3=isdigit(student_list[*i].sid[j]);
j++;
if (result3==0)
break;
}
while (j< strlen(student_list[*i].sid)-1);
if ((result1 ==0) || (result2 ==0))
{if (result3 !=0)
goto g11;
else
{printf("The Student ID is not valid.(GTxxxxx or GCxxxxx)Press *Enter* to input again! "); getchar();
goto g12;}}
else
{printf("The Student ID is not valid.(GTxxxxx or GCxxxxx)Press *Enter* to input again! "); getchar();
goto g12;}
}
else
{printf("The Student ID is not valid.(GTxxxxx or GCxxxxx)Press *Enter* to input again! (GTxxxxx or GCxxxxx)"); getchar();
goto g12;}
g11:
printf("Input student name: "); fflush(stdin); gets(student_list[*i].sname);
printf("Input student date of birth: ");fflush(stdin); gets(student_list[*i].sdob);
printf("Input student email: ");fflush(stdin); gets(student_list[*i].semail);
printf("Input student sphone: ");fflush(stdin); gets(student_list[*i].sphone);
printf("Input student address: ");fflush(stdin); gets(student_list[*i].saddress);
*i=*i+1;
}
search (int i){
char *test;
char s[50],x1[50],x2[50];
int u=0;
printf("Please enter student's name or a part of it: "); fflush(stdin);gets(s);
int a;
for (a=0;a<i;a++)
{
strcpy(x1,student_list[a].sname);
strcpy(x2,s);
test = strstr(strlwr(x1),strlwr(x2));
if (test){
printf("%s | %s | %s | %s | %s | %s |\n",student_list[a].sid,student_list[a].sname,student_list[a].sdob,student_list[a].semail,student_list[a].sphone,student_list[a].saddress);
u++;}
}
if (u==0) printf("No data found!");
getchar();
}
void update(int i){
int test;
char ud[8],x1[8],x2[8];
int u=0;
int c,up;
printf("Enter student ID: ");fflush(stdin); gets(ud);
int a;
for (a=0;a<i;a++)
{
strcpy(x1,student_list[a].sid);
strcpy(x2,ud);
test = strcmp(strlwr(x1),strlwr(x2));
//a chinh la gia tri THUC cua position trong maang
if (test==0)
{
printf("Current student ID: %s\n",student_list[a].sid);
printf("Enter 1 to update & 0 to keep: "); scanf("%d",&up);
if (up==1)
{printf("Enter a new ID: "); fflush(stdin);gets(student_list[a].sid);}
printf(" Current student name: %s\n",student_list[a].sname);
printf("Enter 1 to update & 0 to keep: "); scanf("%d",&up);
if (up==1)
{printf("Enter a new name: "); fflush(stdin);gets(student_list[a].sname);}
printf(" Current student date of birth: %s\n",student_list[a].sdob);
printf("Enter 1 to update & 0 to keep: "); scanf("%d",&up);
if (up==1)
{printf("Enter a new date of birth: "); fflush(stdin);gets(student_list[a].sdob);}
printf(" Current student email: %s\n",student_list[a].semail);
printf("Enter 1 to update & 0 to keep: "); scanf("%d",&up);
if (up==1)
{printf("Enter a new email: "); fflush(stdin);gets(student_list[a].semail);}
printf(" Current student phone: %s\n",student_list[a].sphone);
printf("Enter 1 to update & 0 to keep: "); scanf("%d",&up);
if (up==1)
{printf("Enter a new phone: "); fflush(stdin);gets(student_list[a].sphone);}
printf(" Current student address: %s\n",student_list[a].saddress);
printf("Enter 1 to update & 0 to keep: "); scanf("%d",&up);
if (up==1)
{printf("Enter a new address: ");fflush(stdin); gets(student_list[a].saddress);}
printf("Successfully Update");
getchar();
}
}
}
void view(int i){
int a;
for (a=0;a<5;a++)
printf("%s | %s | %s | %s | %s | %s |\n",student_list[a].sid,student_list[a].sname,student_list[a].sdob,student_list[a].semail,student_list[a].sphone,student_list[a].saddress);
if (i==0) printf("No data to show!\n");
getchar();
}
void del(int *i){
int test;
char del[8],x1[8],x2[8];
int u=0;
int c;
printf("Enter student ID: ");fflush(stdin); gets(del);
int a;
for (a=0;a<(*i);a++)
{
strcpy(x1,student_list[a].sid);
strcpy(x2,del);
test = strcmp(strlwr(x1),strlwr(x2));
//a chinh la gia tri cua position trong mang
if (test==0){
for ( c = a ; c < *i ; c++ )
{strcpy(student_list[c].sid,student_list[c+1].sid);
strcpy(student_list[c].sname,student_list[c+1].sname);
strcpy(student_list[c].sdob,student_list[c+1].sdob);
strcpy(student_list[c].semail,student_list[c+1].semail);
strcpy(student_list[c].sphone,student_list[c+1].sdob);
strcpy(student_list[c].saddress,student_list[c+1].saddress);}
u++;
{strcpy(student_list[*i].sid,del1);
strcpy(student_list[*i].sname,del2);
strcpy(student_list[*i].sdob,del2);
strcpy(student_list[*i].semail,del2);
strcpy(student_list[*i].sphone,del2);
strcpy(student_list[*i].saddress,del2);}
}
}
if (u==0) printf("Student ID doesn't exist!");
getchar();
*i=*i-1;
}
void menu(){
printf("\t\t************************\n");
printf("\t\t* 1. Add new student *\n");
printf("\t\t* 2. View all students *\n");
printf("\t\t* 3. Search students *\n");
printf("\t\t* 4. Delete students *\n");
printf("\t\t* 5. Update student *\n");
printf("\t\t* 6. Exit *\n");
printf("\t\t************************\n");
printf("\n");
}
int main(){
int choice,i=0;
g0:
system("cls");
menu();
//Kiem tra so nhap vao phai tu 1 den 6
do {
printf("Choose an option from 1 to 6: ");scanf("%d",&choice);}
while (choice<1 || choice>6 && choice != 205);
fflush(stdin);
switch (choice){
case 1: add(&i);
break;
case 2: view(i);
break;
case 3: search(i);
break;
case 4: del(&i);
break;
case 5: update(i);
break;
case 6: exit(0);
break;
case 205:
printf("current i: %d",i);
fflush(stdin);
getchar();
break;
default: ;
}
goto g0;
getchar();
return 0;
}