Interview Question: Tell me all you know about RESTful web services. You may start by saying that RESTful Web Services are an implementation of the REST Architecture based on web services. REST stands from Representational State Transfer and (emphasize!!) it is an architectural style, not a protocol. REST follows aContinue Reading
… or about how would you proceed to create a maven plugin. What if you would be in a position to talk 5 minute about all you know about maven? What would you say? I would say that maven is a tool to manage your software builds, and in mavenContinue Reading
One possible question for a Java Interview could be: what can you tell me about the spring bean scopes? In Spring Framework we have 5 (five) bean scopes: SINGLETON which means that only one instance of a bean is allowed per container (in other words, per application); PROTOTYPE which meansContinue Reading
Spring RestTemplate is like a bridge between client application and server applications. It is used to call REST services and deal with outages. RestTemplate has an builtin HTTP client and it is able to send HTTP request to the endpoints.Continue Reading
In this post, I want to share a quick answer to the most two favorite question of the interviewers: what can you tell me about the dependency injection (DI) concept introduce by spring years ago? what is inversion of control (IoC)? It is not my goal to share an elaborateContinue Reading
Inevitable, during a Java interview you will be asked about equals() and hashCode() methods which are declared in the java.lang.Object class. equals() method The equals method is declared as
|
1 2 3 |
public boolean equals(Object obj) { return (this == obj); } |
and indicates wether two objects are equals or not. It returns true in case the two objects are equals, andContinue Reading
One of the preferred questions of the interviewers is What is an immutable object? Can you write an immutable class? In Java, an immutable object is the object which once created it cannot be modified. Respectively, an immutable class is a class whose objects cannot be modified once created. The mostContinue Reading