الدالة nextLine في جافا لا تعمل

import java.util.Scanner;

public class JavaApplication4 {
   
  public static void main(String[] args) {
    Scanner input = new Scanner (System.in);
    
    int a;
    String name;
   
    System.out.print("enter a number:" );
    a = input.nextInt();
    System.out.print("Enter your full name:" );
    name = input.nextLine();
    
    System.out.print("you have entered the number :"+a+ "\n" );
    
    System.out.print("your full name is :" +name+ "\n" );
  }
   
}