How to properly parse JSON in Java using Jackson? Need a simple example

Hello everyone! I'm a beginner Java developer and I'm having trouble parsing JSON. I have a JSON string that I receive from an external API. It looks something like this:\n\n```json\n{"name": "Ivan", "age": 25, "email": "ivan@example.com"}\n```\n\nI'm trying to extract individual fields (name and age) from it, but I'm running into difficulties. I tried manual parsing using String.split() and indexOf(), but it turns out to be very cumbersome and unreliable. Especially when the JSON becomes more complex — for example, containing nested objects or arrays.\n\nPlease advise how to properly parse JSON in Java? I've heard about Jackson and Gson libraries, but I don't understand how to add them and use them. I need a simple and clear example for a beginner: how to take a JSON string, convert it into a Java object and get