package uuu;
import java.util.Scanner;
public class UUU {

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int a;
        System.out.print("Hola dime tu nombre");
        a=input.nextInt();
        System.out.print("Mucho gusto en conocerte "+a);



        // TODO Auto-generated method stub

    }

}

Hola dime tu nombre
alda
Exception in thread "main" java.util.InputMismatchException
    at java.util.Scanner.throwFor(Unknown Source)
    at java.util.Scanner.next(Unknown Source)
    at java.util.Scanner.nextInt(Unknown Source)
    at java.util.Scanner.nextInt(Unknown Source)
    at uuu.UUU.main(UUU.java:9)

package uuu;
import java.util.Scanner;
public class UUU {

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        String a;
        System.out.print("Hola dime tu nombre");
        a=input.nextLine();
        System.out.print("Mucho gusto en conocerte "+a);

        // TODO Auto-generated method stub
    }
}