java.time.LocalDate.plus(TemporalAmount amountToAdd)

package com.codingdict;

import java.time.LocalDate;
import java.time.Period;

public class LocalDateDemo {
   public static void main(String[] args) {

          LocalDate date = LocalDate.parse("2017-02-03");
          LocalDate date1 = date.plus(Period.ofDays(10));
          System.out.println(date1);  
   }
}