Jason and Logger in java
 JSON  package main.java ; import java.io.DataInputStream ; import java.io.IOException ; import java.util.Scanner ; import java.util.logging.FileHandler ; import java.util.logging.Logger ; import java.util.logging.SimpleFormatter ; public class LoggerDemo {     public static void main (String args[]) throws  Exception{          Logger logger=Logger. getLogger (LoggerDemo. class .getName()) ;         try (Scanner scanner= new Scanner(System. in ))         {             int a=scanner.nextInt() ;             FileHandler fileHandler = new FileHandler( "/Users/mohan/IdeaProjects/Logger/Log.log" ) ;             FileHandler fileHandler1= new FileHandler( "/Users/mohan/IdeaProjects/Logger/Log1.log" ) ;             FileHandler fileHandler2= new FileHandler( "/Users/mohan/IdeaProjects/Logger/Log2.log" ) ;              logger.addHandler( fileHandler ) ;             logger.addHandler(fileHandler1) ;             logger.addHandler(fileHandler2) ;             logger.getL...