Explain the execution. Assuming stu.txt has the following contents: 1 John 2 Jac

Question

Explain the execution.

Assuming stu.txt has the following contents: 1 John 2 Jack 3 Tom 1. What output is produced by the following code? 2. Explain the execution class myStudent t String id; String name; public class mq7 t public static ArrayList sList new ArrayListo); public static void main(String[] args) throws FileNotFoundExceptiont Scanner input -new Scanner(new File("stu.txt")); myStudent s new myStudent) while(input.hasNextLine)) i s.id-input.next); s. name =input . next ( ) ; sList.add(s); for i=sList . size()-1; ? 0; i--){ (int System.out.println( sList.get(i).id +""sList.get (i).name)

Explanation / Answer

Answer:

The output of the above code is

3 Tom
2 Jack
1 John

We are parsing each record ffrom the file to arraylist and displaying the records in list from last to first.

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