1. Follow the class instruction and complete the Cat class. Create class Cat a. Add properties: i. What characteristics do they have? Name, age, color, type (domestic / feral), etc. (secure the data) ii. What color(s) might they have? White, cream, fawn, Cinnamon, Chocolate, Red, Lilac, Blue, Black, Lavender, etc. b. Add methods: eat(), play(), etc. c. Constructors? i. A class provides a special type of methods, known as constructors, which are invoked to construct objects from the class ii. Create 2 different constructor with different initialization parameters d. How to get the number of cats? Add a static variable and a static method to print out the number of cats. e. Test Cat class by creating 3 Cat instances: i. Each cat should have different properties. ii. Test all the methods. iii. Print out the number of cats. 2. Define a BankAccount class that has: accNum (int) Balance (double) ● ● a constructor four methods: o deposit() o withdraw() O getAccNum() o getBalance() Implement a test class TestBankAccount that Initialize an BankAccount instance with initial values: deposit: 500.0 ● accNum: 1001 Deposit 30.50 ● Withdraw 50.0

1. Follow the class instruction and complete the Cat class. Create class Cat a. Add properties: i. What characteristics do they have? Name, age, color, type (domestic / feral), etc. (secure the data) ii. What color(s) might they have? White, cream, fawn, Cinnamon, Chocolate, Red, Lilac, Blue, Black, Lavender, etc. b. Add methods: eat(), play(), etc. c. Constructors? i. A class provides a special type of methods, known as constructors, which are invoked to construct objects from the class ii. Create 2 different constructor with different initialization parameters d. How to get the number of cats? Add a static variable and a static method to print out the number of cats. e. Test Cat class by creating 3 Cat instances: i. Each cat should have different properties. ii. Test all the methods. iii. Print out the number of cats. 2. Define a BankAccount class that has: accNum (int) Balance (double) ● ● a constructor four methods: o deposit() o withdraw() O getAccNum() o getBalance() Implement a test class TestBankAccount that Initialize an BankAccount instance with initial values: deposit: 500.0 ● accNum: 1001 Deposit 30.50 ● Withdraw 50.0

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

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Question

1. Follow the class instruction and complete the Cat class.
Create class Cat
a. Add properties:
i. What characteristics do they have? Name, age, color, type (domestic / feral), etc. (secure
the data)
ii. What color(s) might they have? White, cream, fawn, Cinnamon, Chocolate, Red, Lilac,
Blue, Black, Lavender, etc.
b. Add methods: eat()), play(), etc.
c.
Constructors?
i. A class provides a special type of methods, known as constructors, which are invoked to
construct objects from the class
ii. Create 2 different constructor with different initialization parameters
d. How to get the number of cats? Add a static variable and a static method to print out the number
of cats.
e. Test Cat class by creating 3 Cat instances:
i. Each cat should have different properties.
ii.
Test all the methods.
iii. Print out the number of cats.
2. Define a BankAccount class that has:
accNum (int)
Balance (double)
●
a constructor
four methods:
o deposit()
withdraw()
O
o getAccNum()
o getBalance()
Implement a test class TestBankAccount that Initialize an BankAccount instance with initial values:
deposit: 500.0
● accNum: 1001
●
Deposit 30.50
Withdraw 50.0
Print out the remaining balance.

3. Define a Pair class using Java Generics framework
a. Properties: first, second
b. Constructors: Create 2 different constructor with different initialization parameters
c. Methods: setFirst(), setSecond(), getFirst(), getSecond();
d. Test Pair class print out the value of Pair instance:
i. Define a Pair instance and assign (10,10.1) to the pair;
ii.
Define a Pair instance and assign (8.2, "ABC") to the pair;
iii. Define an array holding[] of Pair class.
1. holding has 100 elements;
2.
Assign (int, double) to array by using loop -> (0, 100.0), (1, 99.0), (2, 98.0), ...,
(99, 1.0).

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