Consider the following JSON,

How to print the user-selected object in Java. For example, if the user types "Q4", information about "Q4" will be presented; likewise, if the user types "Q3," information about "Q3" will be displayed (topic: English, points: 12 (etc)). Once information about the Q3 (or whatever the user wants) is presented, if the user inputs "next," information about the Q4 will be shown, and if the user inputs "back," information about the Q2 should appear on console.

Prefer using Jackson tree and object mapper but JSONObject and JSONArray is as fine.

{