explain the following code public class FirstEx_2ExplainCodes { static int counterObj= 0; public double salary = 0; public static void main(String[] args){ System.out.println(counterObj);...

Extracted text: explain the following code public class FirstEx_2ExplainCodes { static int counterObj= 0; public double salary = 0; public static void main(String[] args){ System.out.println(counterObj); FirstEx_2ExplainCodes obj = new FirstEx_2ExplainCodes(); System.out.println(obj.salary); Scanner in = new Scanner(System.in); while(in.nextDouble() != -1){ obj.salary = in.nextDouble(); System.out.println(obj.salary); } }