Best Practice of Java Stream in your project.

If you’re not familiar with Java Streams, it is a powerful tool introduced Java 8 onwards, that can help you write more concise, readable, and efficient code. It is also a great way to learn about functional programming concepts.

I know Java Streams can be a bit daunting at first, but I created this article to help you get started. In this article, you will discover some valuable tricks that can be saved as a reference for incorporating into your next project.

Anyway by the end of this article, you will be able to:

Use Streams to solve common problems as a beginner
Write more concise and readable code
Have a good revision of Streams if you are an experienced developer.

Okay Lets Start to write the code, In this example I have created these 5 model classes : Company, Address, Person, City, State.

package com.model.stream.demo;

import java.util.List;

class Company {

    private String name;
    private Address address;
    private List<Person> personList;

    // getter and setter methods.
    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public Address getAddress() {
        return address;
    }

    public void…