Question1:Write a java code with class named Clock that meets the following requirements:• The class has three instance variables: One of type int called hours, another of type boolean called isTicking, and the last one of type Integercalled diff.• The class has a constructor that takes three parameters: an int for hour, a boolean for isTicking, and another int for diff. The constructorconstructs a Clock with the specified values.• A method named increment with no arguments and no return value. It increases the hours by 1 if the hour is less than 12.• A method named decrement with no arguments and no return value. It decreases the hours by 1 if hour is greater than 0.Question 2:Write a java code with class Account to calculate balance of customer account, the class has instance variables which are describe the personal info ofcustomer, Basic salary, taxMethods of withdraw, deposit and tax similar with tutorial 7 Example 6, in addition that the user will insert withdraw amount and deposit,Your java code supposed to give question for a costumer if you want withdraw or make a depositQuestion 3:Write java program with class to calculate tuition fees of three taken subjects by student registration, the user should insert subjects' names withsubject code, then the invoice method will should print out payments invoice included student info, subject, subject code.

Java programs are frequently asked in the interview. These programs can be asked from control…

Question1: Write a java code with class named Clock that meets the following requirements: • The class has three instance variables: One of type int called hours, another of type boolean called isTicking, and the last one called diff. • The class has a constructor that takes three parameters: an int for hour, a boolean for isTicking, and another int for diff. The c constructs a Clock with the specified values. • A method named increment with no arguments and no return value. It increases the hours by 1 if the hour is less than 12. • A method named decrement with no arguments and no return value. It decreases the hours by 1 if hour is greater than 0.

Question1: Write a java code with class named Clock that meets the following requirements: • The class has three instance variables: One of type int called hours, another of type boolean called isTicking, and the last one called diff. • The class has a constructor that takes three parameters: an int for hour, a boolean for isTicking, and another int for diff. The c constructs a Clock with the specified values. • A method named increment with no arguments and no return value. It increases the hours by 1 if the hour is less than 12. • A method named decrement with no arguments and no return value. It decreases the hours by 1 if hour is greater than 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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Subject: Java Programming Question#4: Define a class Triangle with following fields: angle 1, angle 2 and angle 3. Define getter and setter methods ensuring that angle is between 0 and 360. Define a method is_right_angle() that checks if any of the angle is 90. Define a method is_equilateral to check if all the angles are equal. Define a method area to calculate the area of the triangle.
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Look at the following partial class definition, and then respond to the questions that follow it: public class Student { private String Name; private String ID; private String Email; } a. Write a constructor for this class. The constructor should accept an argument for each of the fields. b. Write a ‘sendEmail” method, that takes one argument of character type called Grade. This method should print output to screen as below replacing the variable with actual values: Dear ‘Name’, You have received grade ‘Grade’. This email is being sent to your email address at “Email”