java-junior-interview-question

Tell me about Spring RestTemplate

On: March 21, 2019

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

The most two favorite questions – DI and IoC

By: go.claudiu

On: June 26, 2018

In: Interview Questions

With: 0 Comments

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

What do you know about equals() and hashCode() methods?

By: go.claudiu

On: September 26, 2017

In: Interview Questions

With: 0 Comments

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

public boolean equals(Object obj) {
    return (this == obj);
}

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