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Using the Person and PersonRunner classes below, execute the main method in PersonRunner. Why does the program end abnormally? Comment out the first two lines and run the program again. Why does the reference to p3 cause Frank's name to be printed when we set Frank's name with the p2 reference?public class PersonRunner{public static void main(String[] args){Person p1 = null;p1.speak();Person p2 = new Person("Beth");p2.speak();Person p3 = p2;p2.speak();p2.setName("Frank");p3.speak();}}
public class Person{private String name;
public Person(String name){this.name = name;}public void setName(String name){this.name = name;}public String getName(){return name;}public void speak(){System.out.println("My name is " + name);}}
This lab introduces students to the concepts of polymorphism, early binding, late binding, abstract classes, and virtual class functions. This will be done in the context of performing calculations on basic geometrical shapes
How many data items are within One Standard Deviation - Generate a list of 100 values between 0 and 100 using the generator (int)(Math.random()*101).
role of inheritance in object-oriented programming
For the URLs in the keyword list, sort them by either the number of times the keyword appearing in the pages or the popularity of the pages.
Write a program to keep track of a hardware store's inventory. The store sells various items. For each item in the store, the following information is kept: item ID, item name, number of pieces in stock, manufacturer's price of the item, and the s..
Write a program that calculates the salary for the employee. The hourly rate for permanent staff (P) is 200, contract staff (C) is 150 and temporary staff (T) is 100. The program accepts the employee type and the number of hours the employee work.
A savings account object holds a non-negative balance - Use a shared counter protected by test-and-test-and-set lock. Each thread locks the counter, increments it, releases the lock, and repeatedly reads the counter until it reaches n.
hello can you please help me to solve this sample paper and there is not submit date as this is for me but still i want
The 'report screen' shall:Allow the user to display a work history report for an individual or for all employees for the two weeks prior to the report request.
What is JSP and why do we need it?
Write a loop that counts the number of space characters in a string - You need to implement a program to find the number of spaces.
Add to the comment header as indicated at the top of the program.
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