Question d’entretien chez Advantage Financial Systems Experts

Some of the questions are the following: Databases: Left right SQL joins ? Java SE: Are String objects immutable in Java? When is appropriate to use a set rather than a list? Does the .equals method properly compare two lists ? What does the method HashCode of a class do and where it can be used? Java EE: What is a session? What is a session been ? Angular: What is a directive? What is data binding? What is the difference between == and === operators ?