Domanda di colloquio di Publicis Sapient

What is encapsulation? what is a difference between Linked List and Array list Collection concept. When you did parallel test execution? how ? Jdbc connection how , and why we do that? what are the automation tools and framework used. Write a java program and find the smallest and largest string{"an and find onsession"} Write a java program to find the unique which are not repeting char out of string {"Automation"} // u,m,i,n write a xpath to fild the list of elements