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please base from the first picture and answer the second image.

please base from the first picture and answer the second image.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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please base from the first picture and answer the second image.

class SuperClass { private int x; private int y; public SuperClass () { x = 2; y = 3; } public Superclass (int x, int y) { this.x = x; this.y = y; } public String tostring () { return "Numbers are: "+x + " and"+ y; } public int returnSum() { return (x+y); } class SubClass extends SuperClass { private int z; public SubClass() { super(); } public SubClass(int x, int y) { super(x, y); z = 4; } public int returnSum() { return (super.returnSum() + z); } } and the declarations: SuperClass obj1 = new Superclass(); SuperClass obj2 = new SubClass(1, 2);
Transcribed Image Text:class SuperClass { private int x; private int y; public SuperClass () { x = 2; y = 3; } public Superclass (int x, int y) { this.x = x; this.y = y; } public String tostring () { return "Numbers are: "+x + " and"+ y; } public int returnSum() { return (x+y); } class SubClass extends SuperClass { private int z; public SubClass() { super(); } public SubClass(int x, int y) { super(x, y); z = 4; } public int returnSum() { return (super.returnSum() + z); } } and the declarations: SuperClass obj1 = new Superclass(); SuperClass obj2 = new SubClass(1, 2);
Given the following statement, what will display to the screen? System.out.print("Sum is:" + obj2.returnSum()); Sum is: 20 Sum is: 200 Sum is: 4 Invalid statement – won't compile None of the above.
Transcribed Image Text:Given the following statement, what will display to the screen? System.out.print("Sum is:" + obj2.returnSum()); Sum is: 20 Sum is: 200 Sum is: 4 Invalid statement – won't compile None of the above.
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