Added DataFileHandling

Data File handling/Opening_Closing.cpp

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+/*#include<iostream>
+#include<stdio.h>
+#include<conio.h>*/
+#include<fstream>
+#include<bits/stdc++.h>
+using namespace std;
+int main (){
+    fstream xyz;
+    xyz.open("abc",ios::out);
+    cout<<"created xyz named file";
+    xyz.close();
+    return 0;
+}

Data File handling/README.md

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+

Data File handling/Reading.cpp

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+ #include<bits/stdc++.h>
+#include<fstream>
+using namespace std;
+int main(){
+    system("cls");
+    fstream xyz;
+    xyz.open("apple.txt",ios::in);
+    if(!xyz){
+        cout<<"not exist";
+    }
+    else{
+            char a;
+            while (1)
+            {
+                xyz>>a;
+                if(xyz.eof())
+                    break;
+                cout<<a;
+            }
+    }
+    xyz.close();
+    return 0;
+}

Data File handling/Writing.cpp

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+#include<bits/stdc++.h>
+#include<fstream>
+using namespace std;
+int main(){
+    fstream sai;
+    sai.open("abc.txt",ios::out);
+    if(!sai){
+        cout<<"not created";
+    }
+    else{
+        cout<<"created success";
+        sai<<"           \n \n \n \t          sadsssjiwnc";
+        sai.close();
+    }
+    return 0;
+}

Data File handling/abc.txt

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+
+
+
+ 	          sadsssjiwnc

Data File handling/apple.txt

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+hello this is dell 3501eurue