ExampleComponent.js

import React, {useState} from "react";

const ExampleComponent = props => {
    const [exampleState, setExampleState] = useState({name: "Berk"});
    
    const changeName = () => {
        // setExampleState will provide us with changing state;
        // setExampleState will also provide previous state if we want to use it.
        setExampleState(prev => ({name: "Changed..."}));
    }
    
    return (
        <>
        {/* exampleState will give us {name: "Berk"} */
        <div>{exampleState.name}</div>
        <button onClick={changeName}>Change Name</button>
        </>
    )
}