Given the following code (where the function FunTest() and the main method are inside one class in the same file where classes X, Y and Z are), predict what is the output?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
icon
Related questions
Question

PLZ help with the following:

IN JAVA

Given the following code (where the function FunTest() and the main method are inside one class in the same file where classes X, Y and Z are), predict what is the output?

 

class X{
protected int i;
public X() {
i=10;
}
private void myfun() {
System.out.println("Number 1");
}
class Y extends X{
void myfun() {
System.out.println("Number 2");
i=20;
System.out.println("i is: "+i);
}
}
class Z extends Y{
protected void myfun () {
System.out.println("Number 3");
i=30;
System.out.println("i is: "+i);
}
public class Q13 {
public static void FunTest(Object obj1)
{
Z zl = (Z)objl;
zl. myfun();
Y yl = zl;
yl.myfun();
public static void main(String[] args) {
Z zobj = new ZO;
FunTest(zobj);
Transcribed Image Text:class X{ protected int i; public X() { i=10; } private void myfun() { System.out.println("Number 1"); } class Y extends X{ void myfun() { System.out.println("Number 2"); i=20; System.out.println("i is: "+i); } } class Z extends Y{ protected void myfun () { System.out.println("Number 3"); i=30; System.out.println("i is: "+i); } public class Q13 { public static void FunTest(Object obj1) { Z zl = (Z)objl; zl. myfun(); Y yl = zl; yl.myfun(); public static void main(String[] args) { Z zobj = new ZO; FunTest(zobj);
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps

Blurred answer
Knowledge Booster
Developing computer interface
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Database System Concepts
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
C How to Program (8th Edition)
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education