Complete Student Management System in C++ | Store Student Information Project in CPP

in this video Explain Complete Student Management System in C++ | Store Student Information Project in C++ with source code ✅ Source Code

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#include<iostream> using namespace std; string arr1[20],arr2[20],arr3[20],arr4[20],arr5[20]; int total=0; void enter() { int ch=0; cout<<"How many students do u want to enter??"<<endl; cin>>ch; if(total==0){ total=ch+total; for(int i=0;i<ch;i++) { cout<<"\nEnter the Data of student "<<i+1<<endl<<endl; cout<<"Enter name: "; cin>>arr1[i]; cout<<"Enter Roll no: "; cin>>arr2[i]; cout<<"Enter course: "; cin>>arr3[i]; cout<<"Enter class: "; cin>>arr4[i]; cout<<"Enter contact: "; cin>>arr5[i]; } } else{ for(int i=total;i<ch+total;i++) { cout<<"\nEnter the Data of student "<<i+1<<endl<<endl; cout<<"Enter name: "; cin>>arr1[i]; cout<<"Enter Roll no: "; cin>>arr2[i]; cout<<"Enter course: "; cin>>arr3[i]; cout<<"Enter class: "; cin>>arr4[i]; cout<<"Enter contact: "; cin>>arr5[i]; } total=ch+total; } } void show(){ if(total==0){ cout<<"No data is entered"<<endl; } else{ for(int i=0;i<total;i++) { cout<<"\nData of Student "<<i+1<<endl<<endl; cout<<"Name "<<arr1[i]<<endl; cout<<"Roll no "<<arr2[i]<<endl; cout<<"Course "<<arr3[i]<<endl; cout<<"Class "<<arr4[i]<<endl; cout<<"Contact "<<arr5[i]<<endl; } } } void search(){ if(total==0){ cout<<"No data is entered"<<endl; } else{ string rollno; cout<<"Enter the roll no of student"<<endl; cin>>rollno; for(int i=0;i<total;i++) { if(rollno==arr2[i]) { cout<<"Name :"<<arr1[i]<<endl; cout<<"Roll non: "<<arr2[i]<<endl; cout<<"Course: "<<arr3[i]<<endl; cout<<"Class: "<<arr4[i]<<endl; cout<<"Contact: "<<arr5[i]<<endl; } } } } void update(){ if(total==0){ cout<<"No data is entered"<<endl; } else{ string rollno; cout<<"Enter the roll no of student which you want to update"<<endl; cin>>rollno; for(int i=0;i<total;i++) { if(rollno==arr2[i]) { cout<<"\nPrevious data"<<endl<<endl; cout<<"Data of Student "<<i+1<<endl; cout<<"Name:"<<arr1[i]<<endl; cout<<"Roll no: "<<arr2[i]<<endl; cout<<"Course: "<<arr3[i]<<endl; cout<<"Class: "<<arr4[i]<<endl; cout<<"Contact: "<<arr5[i]<<endl; cout<<"\nEnter new data"<<endl<<endl; cout<<"Enter name: "; cin>>arr1[i]; cout<<"Enter Roll no: "; cin>>arr2[i]; cout<<"Enter course: "; cin>>arr3[i]; cout<<"Enter class: "; cin>>arr4[i]; cout<<"Enter contact: "; cin>>arr5[i]; } } } } void deleterecord(){ if(total==0){ cout<<"No data is entered"<<endl; } else{ int a; cout<<"Press 1 to delete all record"<<endl; cout<<"Press 2 to delete specific record"<<endl; cin>>a; if(a==1){ total=0; cout<<"All record is deleted..!!"<<endl; } else if(a==2){ string rollno; cout<<"Enter the roll no of student which you wanted to delete"<<endl; cin>>rollno; for(int i=0;i<total;i++){ if(rollno==arr2[i]) { for(int j=i;j<total;j++){ arr1[j]=arr1[j+1]; arr2[j]=arr2[j+1]; arr3[j]=arr3[j+1]; arr4[j]=arr4[j+1]; arr5[j]=arr5[j+1]; } total--; cout<<"Your required record is deleted"<<endl; } } } else { cout<<"Invalid input"; } } } main(){ int value; while(true){ cout<<"\n------- School Management system --------"; cout<<"\n1- Enter the Student data"<<endl; cout<<"2- Show student data"<<endl; cout<<"3- Search Student data"<<endl; cout<<"4- Update Student data"<<endl; cout<<"5- Delete Student data"<<endl; cout<<"6- Exit"<<endl; cin>>value; switch(value){ case 1: enter(); break; case 2: show(); break; case 3: search(); break; case 4: update(); break; case 5: deleterecord(); break; case 6: exit(0); break; default: cout<<"Invalid input"<<endl; break; } } }

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