Please fill in the missing code to run the following program.

import java.util. Random; import java.util.StringJoiner; public class preLabC { public static double myMethod(int[] threeValueVector) { // Create an object of type "Mathvector". Mathvector vectorObjecti = new Mathvector(threevalueVector); // calculate the magnitude on the object by using the magnitude method. // form: double theOutput = objectName DOT magnitude parenthesis parenthesis double... // fill in here. // return the double value here. return theMagnitude; } }