The role of nextint function

nextInt function reads an integer (int type), using steps: 1. Import the java.util.Scanner package; 2. Create a Scanner object; 3. Call the nextInt function to read the integer.

The role of nextint function

nextInt The function is Scanner# in Java ## A method of class used to read an integer (int type).

How to use the nextInt function

To use the

nextInt function, follow these steps:

1. Import

   java.util.Scanner Package:

   <code class="java">import java.util.Scanner;</code>

2. Create a

   Scanner object:

   <code class="java">Scanner scanner = new Scanner(System.in);</code>

3. Call

   nextInt Function reads integer:

   <code class="java">int number = scanner.nextInt();</code>

##nextInt Detailed description of the function

nextInt
• The function blocks the current thread until the user enters an integer. It will skip any leading spaces or tabs.
• It reads until it encounters a non-numeric character or a newline character.
• If the user enters a non-integer value, the
nextInt
• function will throw an InputMismatchException exception.

Example

The following code example shows how to read an integer using the

nextInt

function: <div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false">&lt;code class=&quot;java&quot;&gt;import java.util.Scanner; public class NextIntExample { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); System.out.println(&quot;Enter an integer: &quot;); int number = scanner.nextInt(); System.out.println(&quot;You entered: &quot; + number); } }&lt;/code&gt;</pre><div class="contentsignin">Copy after login</div></div>Output:

<code>Enter an integer:
123
You entered: 123</code>

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