C++ program to read and display characters of an array
In this tutorial, we will discuss the concept of C++ program to read and display characters of an array
In this topic, we are going to learn how to read and print characters using one dimensional array in C++ programming language using loops.
In this blog, We have already discuss that “What is an array“, type of arrays and how to access it(one dim, two dim and three dim arrays)
Arrays are the special type of variables to store Multiple type of values(int, string,char, etc)under the same name in the continuous memory location. we can be easily accessed using the indices(indexes)
Here,
- C,H,A and R represent the characters elements of the array
- 0,1,2,3 and 4 represent the index of the array which is used to access the array elements
- 1,2,3,4 and 5 represent the length of the array
Code to read and print characters of one dim array
Read and print characters Using for loop
In this program, we are briefing input characters of an array and then print them using for loop in C++ language
Program 1
#include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int i,len;
//integer variable declaration
cout<<"Enter the Array length: ";
//Ask input for array length
cin>>len;
//Reading the input for array length
char char_array[len];
//Array declaration
cout<<"\n";//move to next line
cout<<"Enter the characters for array :";
//Ask input for elements(numbers)
for(i=0; i<len; i++){//input using for loop
cin>>char_array[i];
//Reading the array elements from user
}
cout<<"\ndisplay the characters\n";
for(i=0; i<len; i++){//display elements using for loop
cout<<char_array[i];
cout<<("\n");
}
getch();
return 0;
}
When the above code is executed, it produces the following result
Enter the array length: 7 Enter the characters for array: Program Display the characters P r o g r a m
Program 2
#include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int i,len;
//integer variable declaration
cout<<"Enter the Array length: ";
//Ask input for array length
cin>>len;
//Reading the input for array length
char char_array[len];
//Array declaration
cout<<"\n";//move to next line
cout<<"Enter the characters for array :\n";
//Ask input for elements(numbers)
for(i=0; i<len; i++){//input using for loop
cout<<"char_array["<<i<<"]:";
cin>>char_array[i];
//Reading the array elements from user
}
cout<<"\ndisplay the characters\n";
for(i=0; i<len; i++){//display elements using for loop
cout<<"char_array["<<i<<"]:"<<char_array[i];
cout<<("\n");
}
getch();
return 0;
}
When the above code is executed, it produces the following result
Read and display characters using while loop
In this program, we are briefing input characters of an array and then print them using while loop in C++ language
Program 1
#include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int i,len;
//integer variable declaration
cout<<"Enter the Array length: ";
//Ask input for array length
cin>>len;
//Reading the input for array length
char char_array[len];
//character Array declaration
cout<<"\n";//move to next line
cout<<"Enter the characters for array :";
//Ask input for elements(numbers)
i=0;
while(i<len){//input using for loop
cin>>char_array[i];
//Reading the array elements from user
i++;
}
cout<<"\ndisplay the characters\n";
i=0;
while(i<len){//display elements using for loop
cout<<char_array[i];
cout<<("\n");
i++;
}
getch();
return 0;
}
When the above code is executed, it produces the following result
Enter the array length: 11 Enter the characters for array: Code4coding Display the characters C o d e 4 c o d i n g
Program 2
#include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int i,len;
//integer variable declaration
cout<<"Enter the Array length: ";
//Ask input for array length
cin>>len;
//Reading the input for array length
char char_array[len];
//Array declaration
cout<<"\n";//move to next line
cout<<"Enter the characters for array :\n";
//Ask input for elements(numbers)
i=0;
while(i<len){//input using for loop
cout<<"char_array["<<i<<"]:";
cin>>char_array[i];
//Reading the array elements from user
i++;
}
cout<<"\ndisplay the characters\n";
i=0;
while(i<len){//display elements using for loop
cout<<"char_array["<<i<<"]:"<<char_array[i];
cout<<("\n");
i++;
}
getch();
return 0;
}
When the above code is executed, it produces the following result
Read and display characters using do- while loop
In this program, we are briefing input characters of an array and then print them using do-while loop in C++ language
Program 1
#include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int i,len;
//integer variable declaration
cout<<"Enter the Array length: ";
//Ask input for array length
cin>>len;
//Reading the input for array length
char char_array[len];
//character Array declaration
cout<<"\n";//move to next line
cout<<"Enter the characters for array :";
//Ask input for elements(numbers)
i=0;
do{//input using for loop
cin>>char_array[i];
//Reading the array elements from user
i++;
}while(i<len);
cout<<"\ndisplay the characters\n";
i=0;
do{//display elements using for loop
cout<<char_array[i];
cout<<("\n");
i++;
} while(i<len);
getch();
return 0;
}
When the above code is executed, it produces the following result
Enter the array length: 9 Enter the characters for array: Clanguage Display the characters C l a n g u a g e
Program 2
#include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int i,len;
//integer variable declaration
cout<<"Enter the Array length: ";
//Ask input for array length
cin>>len;
//Reading the input for array length
char char_array[len];
//Array declaration
cout<<"\n";//move to next line
cout<<"Enter the characters for array :\n";
//Ask input for elements(numbers)
i=0;
do{//input using for loop
cout<<"char_array["<<i<<"]:";
cin>>char_array[i];
//Reading the array elements from user
i++;
}while(i<len);
cout<<"\ndisplay the characters\n";
i=0;
do{//display elements using for loop
cout<<"char_array["<<i<<"]:"<<char_array[i];
cout<<("\n");
i++;
}while(i<len);
getch();
return 0;
}
When the above code is executed, it produces the following result
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