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Java Program to Print an Integer
In this article, we will understand how to print an integer in Java. It uses the int data type. The int data type is a 32-bit signed two's complement integer. The Minimum value is 2,147,483,648 (-2^31) and the Maximum 2,147,483,647(inclusive) (2^31 -1). Integer is generally used as the default data type for integral values unless there is a concern about memory. The default value is 0.
Input
Suppose our input is
Enter an integer: 45
Output
The desired output would be
The integer is: 45
Algorithm
Step 1- START Step 2- Prompt the user to enter an integer value/ define the integer value in a variable Step 3- Read the value Step 4- Display it on the console Step 5- STOP
Example 1
Here, the input is being entered by the user based on a prompt. You can try this example live in our coding ground tool 
.
import java.util.Scanner;
public class PrintInteger {
public static void main(String[] args) {
Scanner reader = new Scanner(System.in);
System.out.println("Required packages have been imported");
System.out.print("A reader object has been defined ");
System.out.print("Enter an integer: ");
int number = reader.nextInt();
System.out.print("The nextInt method is used to read the integer value ");
System.out.println("The integer is: " + number);
}
}Output
Required packages have been imported A reader object has been defined Enter an integer: 45 The nextInt method is used to read the integer value The integer is: 45
Example 2
Here, the integer has been previously defined, and its value is accessed and displayed on the console.
public class PrintInteger {
public static void main(String[] args) {
int number;
number = 45;
System.out.print("The value for integer has been defined ");
System.out.println("The integer value is: " + number);
}
}Output
The value for integer has been defined The integer is: 45
Updated on: 16-Feb-2022
6K+ Views
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