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Java program to print an integer value
In this tutorial, we discuss the simple concept of Write a Java program to print an integer
problem – How to write a program to print an integer in Java?
In this article, we are going to learn How to write a program to print an integer in Java language
The following shows two different ways to How to write a program to print an integer and there is an example given to each
The first Example is done by declared and initialized variable
the second Example is done through the user entered the value of the variable
Java code to print an integer
Program 1
//program to print an integer in Java
class PrintInteger1{//imported java.util.Scanner package
public static void main(String args[]){
int num; //variable declaration
num=56; //initialization
System.out.print("You declared : "+num);
}
}
When the above code is executed it produces the following output
you declared: 56
In this program
- Integer variable num is declared
- Integer variable num is initialized
- Then, the program has displayed the output (value of variable num ) using System.out.print()
Java code print an integer (Entered by user)
Program 2
//Program to print an integer in Java
import java.util.Scanner; //imported java.util.Scanner package
class PrintInteger{
public static void main(String args[]){
Scanner scan=new Scanner(System.in);
//create a scanner instance for receive input
//from the user - input from keyboard
System.out.print("Enter the integer to print: ");
int num=scan.nextInt();
//reads the integer value from the user
//input from keyword
System.out.print("You entered : "+num);
}
}
When the above code is executed it produces the following output
Enter the integer to print:34 you entered: 34
Method
- The program requires input from the user
- Then the user enters the input value using the keyboard
- The program will read the input using scanner class and stores the num variable
- Then, the program Display the value which is in variable num using System.out.print()
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