added cpps

Author: kinshuk-code-1729

E BALAGURUSAMY/Class1.cpp

@@ -0,0 +1,27 @@
+// Class in C++
+#include<iostream>
+using namespace std;
+class people{
+    char name[30];
+    int age;
+    public:
+    void dataset(void);
+    void datafetch(void);
+
+};
+void people::dataset(){
+    cout<<"Enter Name : ";
+    cin>>name;
+    cout<<endl<<"Enter Age : ";
+    cin>>age;
+}
+void people::datafetch(){
+    cout<<endl<<"Name : "<<name;
+    cout<<endl<<"Age : "<<age;
+}
+int main(){
+    people k;
+    k.dataset();
+    k.datafetch();
+return 0;
+}

E BALAGURUSAMY/Class2.cpp

@@ -0,0 +1,28 @@
+// Class in C++
+#include<iostream>
+using namespace std;
+class item{
+    float cost;
+    int number;
+    public:
+    void dataset(int x,float y);
+    void datafetch(void){
+        cout<<"Number : "<<number;
+        cout<<endl<<"Cost : "<<cost<<endl;
+    }
+};
+void item::dataset(int x,float y){
+    cost=y;
+    number=x;
+}
+int main(){
+    item p;
+    cout<<"1st object"<<endl;
+    p.dataset(100,299.95);
+    p.datafetch();
+    item q;
+    cout<<endl<<"2nd object"<<endl;
+    q.dataset(200,175.50);
+    q.datafetch();
+return 0;
+}

E BALAGURUSAMY/Manipulators.cpp

@@ -0,0 +1,11 @@
+// Manipulators in C++
+#include<iostream>
+#include<iomanip>
+using namespace std;
+int main(){
+    int x=56,y=345,z=3765;
+    cout<<setw(10)<<"X"<<setw(10)<<x<<endl
+        <<setw(10)<<"Y"<<setw(10)<<y<<endl
+        <<setw(10)<<"Z"<<setw(10)<<z<<endl;
+return 0;
+}

E BALAGURUSAMY/Scope_Resolution_operator.cpp

@@ -0,0 +1,19 @@
+// Scope of a variable (scope resolution operator)
+#include<iostream>
+using namespace std;
+int x=40;
+int main(){
+    int x=50;
+    {
+        int y=x;
+        int x=30;
+        cout<<"Inside innermost block";
+        cout<<"\nx = "<<x;
+        cout<<"\ny = "<<y;
+        cout<<"\n::x = "<<::x;
+    }
+    cout<<"\nOutside inner block";
+    cout<<"\nx = "<<x;
+    cout<<"\n::x = "<<::x;
+return 0;
+}

E BALAGURUSAMY/default-args.cpp

@@ -0,0 +1,24 @@
+// Default Argumentation
+#include<iostream>
+using namespace std;
+void line(char k='*',int n=30){
+    for(int i=0;i<=n;i++) cout<<k;
+    cout<<endl;
+}
+float val(float x,float y,float z=0.15){
+    int p=1;
+    float s=x;
+    while (p<=y){
+        s*=1+z;
+        p+=1;
+    }
+    return(s);
+}
+int main(){
+    float m;
+    line();
+    m=val(5000.00,5);
+    cout<<endl<<"Net value = "<<m<<endl<<"\n";
+    line('=');
+return 0;
+}

E BALAGURUSAMY/function-overloading.cpp

@@ -0,0 +1,21 @@
+// Function Overloading in C++
+#include<iostream>
+using namespace std;
+int vol(int);
+double vol(double,int);
+long vol(long,int,int);
+int main(){
+cout<<"vol.1 = "<<vol(10)<<endl;
+cout<<"vol.2 = "<<vol(2.5,8)<<endl;
+cout<<"vol.3 = "<<vol(100L,75,15)<<endl;
+return 0;
+}
+int vol(int k){
+    return(k*k*k);
+}
+double vol(double x,int y){
+    return(3.14159*x*x*y);
+}
+long vol(long p,int q, int r){
+    return(p*q*r);
+}

E BALAGURUSAMY/inline-functions.cpp

@@ -0,0 +1,15 @@
+// Inline function is a request to the compiler not a command
+#include<iostream>
+using namespace std;
+inline float into(float m,float n){
+    return(m*n);
+}
+inline float upon(double u,double v){
+    return(u/v);
+}
+int main(){
+    float x=25.678,y=7.48;
+    cout<<"x*y = "<<into(x,y)<<"\n";
+    cout<<"x/y = "<<upon(x,y);
+return 0;
+}

E BALAGURUSAMY/nested-member-functions.cpp

@@ -0,0 +1,29 @@
+// Nesting of member functions
+#include<iostream>
+using namespace std;
+class collection{
+    int p,q;
+    public:
+    void get(void);
+    void show(void);
+    int greatest(void);
+};
+int collection::greatest(void){
+    if(p>=q)
+        return(p);
+    else
+        return(q);
+}
+void collection::get(void){
+    cout<<"Enter vals. of P & Q : ";
+    cin>>p>>q;
+}
+void collection::show(void){
+    cout<<"\nGreatest Val. = "<<greatest();
+}
+int main(){
+collection n;
+n.get();
+n.show();
+return 0;
+}

E BALAGURUSAMY/static-data-member.cpp

@@ -0,0 +1,30 @@
+// Static Class Members
+#include<iostream>
+using namespace std;
+class item{
+    static int c;
+    int n;
+    public:
+    void input(int k){
+        n=k;
+        c++;
+    }
+    void count(void){
+        cout<<"Count : "<<c<<endl;
+    }
+};
+int item::c;
+int main(){
+    item x,y,z;
+    x.count();
+    y.count();
+    z.count();
+    x.input(100);
+    y.input(200);
+    z.input(300);
+    cout<<"Data added"<<endl;
+    x.count();
+    y.count();
+    z.count();
+return 0;
+}

E BALAGURUSAMY/static-member-functions.cpp

@@ -0,0 +1,31 @@
+//Static Member Functions in a class
+#include<iostream>
+using namespace std;
+class stats{
+    int k;
+    static int c;
+    public:
+    void code(void){
+        k=++c;
+    }
+    void display(void){
+        cout<<"Obj. no. = "<<k<<endl;
+    }
+    static void cdisp(void){
+        cout<<"Count = "<<c<<endl;
+    }
+};
+int stats::c;
+int main(){
+    stats o1,o2;
+    o1.code();
+    o2.code();
+    stats::cdisp();
+    stats o3;
+    o3.code();
+    stats::cdisp();
+    o1.display();
+    o2.display();
+    o3.display();
+return 0;
+}