Resposta :
import java.util.Scanner;
public class MyClass {
public static void main(String args[]) {
Scanner scanner = new Scanner(System.in);
int value = scanner.nextInt();
System.out.println("Você digitou> "+value);
}
}
https://docs.oracle.com/javase/7/docs/api/java/util/Scanner.html
Lembre-se do import
:)