2. Given the following program: 10 import java.util.Scanner; 2 import java.lang. Math; 4 public class TutorialOne { public static void main(String[] args) { double a, aSqr, b, bSqr, c; 60 9. Scanner...

Identify the predefined methods used in Program 6.1 above, and state which import library contains the definition of each predefined methods

Extracted text: 2. Given the following program: 10 import java.util.Scanner; 2 import java.lang. Math; 4 public class TutorialOne { public static void main(String[] args) { double a, aSqr, b, bSqr, c; 60 9. Scanner scan = new Scanner(System.in); 10 11 12 13 14 a = scan.nextDouble(); b = scan.nextDouble(); aSqr = Math.pow(a, 2.0); bSqr = Math.pow(b, 2.0); 15 16 17 18 19 c = Math.sqrt(aSqr + bSqr); System.out.println("The length of hypotenous is " + c); } 20 21 22 } Figure 1: Program 6.1 a) Identify the predefined methods used in Program 6.1 above, and state which import library contains the definition of each predefined methods?