
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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13.5 (Enable GeometricObject comparable) Modify the GeometricObject class to implement the Comparable interface and define a static max method in the GeometricObject class for finding the larger of two GeometricObject class. Also, draw the UML diagram and implement the new GeometricObject class. Additionally, write a test
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- Problem 3.1 (Please download Clock.java to complete this problem; Also read testProgClock.java to understand how to write a test program for a new class you have developed) We have taught the class Clock designed to implement the time of day in a program. Certain application in addition to hours, minutes, and seconds might require you to store the time zone. Please do the following: Derive the class ExtClock from the class Clock by adding a data member to store the time zone. Add necessary methods and constructors to make the class functional. Also write the definitions of the methods and constructors. Write a test program to test your new class. clock.java public class Clock{private int hr;private int min;private int sec;public Clock(){setTime(0, 0, 0);}public Clock(int hours, int minutes, int seconds){setTime(hours, minutes, seconds);}public void setTime(int hours, int minutes, int seconds){if (0 <= hours && hours < 24)hr = hours;elsehr = 0;if (0 <= minutes…arrow_forwardExercise 7.13 JHTP (Date Class): Create a class called Date that includes 3 instance variables—a month (type int), a day (type int), and a year (type int). Provide a constructor that initializes the 3 instance variables and assumes the values provided are correct. Provide a set and a get method for each instance variable. Provide a method displayDate that displays the month, day, and year separated by forward slashes(/). Write a test application named DateTest that demonstrates class Date’s capabilities. Java codearrow_forward23.4 LAB: Student class (Use Python) In main.py define the Student class that has two attributes: name and gpa Implement the following instance methods: A constructor that sets name to "Louie" and gpa to 1.0 set_name(self, name) - set student's name to parameter name get_name(self) - return student's name set_gpa(self, gpa) - set student's gpa to parameter gpa get_gpa(self) - return student's gpa Ex. If a new Student object is created, the default output is: Louie/1.0 Ex. If the student's name is set to "Felix" and the gpa is set to 3.7, the output becomes: Felix/3.7arrow_forward
- Question 5 (6 marks) Given the following interface class interface Bigoperation { public Biglnteger operation (Biglnteger x, Biglnteger y); Write Lambda expressions to implement BigOperation to simulate three arithmetic operations *, / and % on Biglnteger. You can call them op1, op2 and op3 respectively. Note that the three operations in Biglnteger are called multiply, divide and remainder respectively. Using these three operations, we wish to multiply all the digits in a Biglnteger. For example, if the Biginteger is 234, the product is 2* 3*4 = 24. The method has the following method heading: static BigInteger product (Biglnteger n, BigOperation op1, BigOperation op2, BigOperation op3) Compare the implementation of this method using two approaches: Iterative and Recursive. Put the Lambda expressions in a main method. Construct a few Biglnteger objects, invoke the methods to test our design. The following shows some of the sample outputs:arrow_forwardHow do I make the findRobot function for this program?arrow_forward
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