Largest element in the array.
1. (20 pts)
a) Write a method (function) that is passed an array of int and returns the largest element in the array.
b) Write a method (function) that is passed an array of int and returns the smallest element in the array.
c) Write a method (function) that is passed an array of int and returns the average of the elements in the array.
CISC 3115 Midterm Exam
2.(10 pts.)Given the GeometricObjectandTriangle classes below:
public class GeometricObject {
private String color = “white”;
private boolean filled;
private java.util.DatedateCreated;
/** Construct a default geometric object */
public GeometricObject() {
dateCreated = new java.util.Date();
}
. . .
}
public class Triangle extends GeometricObject
And the following declarations.
Triangle tri1 = new Triangle();
GeometricObject go1 = new GeometricObject();
circle all the Boolean expressions that are true below.
i)(tri1 instanceof GeometricObject)
ii)(go1 instanceof GeometricObject)
iii)(tri1 instanceof Triangle)
iv)(go1 instanceof Triangle)
b) Given the declaration of tri1 above, can the following statement be compiled? Why or why not?
GeometricObject go2 = tri1;
CISC 3115 Midterm Exam
3.(10 pts.)Given the following class declarations
public class myclass1 {
public double dvar1;
protected double dvar2;
public double dvar3;
private double dvar4;
protected void m1() {…}
private void m2(){…}
public void m3() {…}
