The example given below shows a While Loop. Here the value of the variable I is checked to ascertain whether it is less than 10 and as long as it is so the body of the loop will be executed.
DECLARE
I NUMBER (4) :=0;
BEGIN
WHILE (I<10)
LOOP
I:= I+1;
DBMS_OUTPUT.PUT_LINE (I);
END LOOP;
END;
Any class needs to be instantiated. A constructor is a special function created by default, used to automatically initialize an object. A constructor is implicitly called whenever an object is created. A constructor is also used to initialize the data mem
# include<iostream.h>
class add
{
int n1,n2,res;
public:
add()
{
cout<<”Inside the default constructor”<<endl;
n1=n2=res=0;
}
void accept()
{
cout<<”Enter two numbers:” <<endl;
cin>>n1;
cin>>n2;
}
A simple Class Structure is explained for the beginners. This is meant for learning C++
#include<iostream.h>
class try1
{
private:
char name[20];
int age;
public:
void inputdata()
{
cout<<”Enter yyour name”<<endl;
cin>>name;
cout<<”Enter yyour age”<<endl;
cin>>age;
}
void displaydata()
{
cout<<”Yyour name is:”<<name<<endl;
cout<<”Yyour age is :”<<age<<endl;
}
}; //end of class
void main()
{
try1 t1;
t1.inputdata();
t1.displaydata();
}
These are called nodes in Linked List
struct invoice{
char itemno[5];
char itemdesc[30];
float rate;
int qty;
struct invoice *next;
};
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