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Use the following class definition to answer the questions below. public class clock implements Daylight Savings Time { // Clocks represent time by storing the hour, minute, and second portions of the current tim e separately private int currentHour; private int currentMinute; private int currentSecond; public clock() { . } public clock(int h, int m, int s) { currentHour = 0; currentHour= 0; currentMinute = 0; currentSecond = 0; } } public void updateTime (int h, int m, int s) { currentSecond = currentSecond + s; while (currentSecond > 60) { currentSecond = current Second - 60; currentMinute++; currentMinute = 0; currentSecond = 0; updateTime(h, m, s); } } currentMinute = currentMinute + m; while (currentMinute > 60) { } currentMinute = currentMinute - 60; currentHour++; currentHour currentHour + h; currentHour = currentHour % 24; @Override public void springForward() { currentHour++; currentHour currentHour % 24; @Override public void fallBack() { currentHour--; currentHour = currentHour % 24; } public void printTime() { } System.out.println (currentHour + + currentMinute+ ":" + currentSecond); Does the Clock class represent time in 12-hour format or 24-hour format? (12-hour format means there is 6:00 am and 6:00 pm; 24-hour format means those same times are shown as 6:00 and 18:00) • Is DaylightSavingsTime a concrete class, abstract class, or interface? Which methods does the Clock class inherit from DaylightSavingsTime? . If the Clock is currently storing the time of 1:00:00 (currentHour = 1, currentMinute = 0, current Second = 0), and the updateTime() method is called with the arguments 2, 30, and O respectively, what will be the Clock's time after the method completes? (You can answer this either as a time or by showing the values of the variables.) • Is it possible for the printTime() method to ever show the time as "25:99:99"? Why or why not?

Use the following class definition to answer the questions below. public class clock implements Daylight Savings Time { // Clocks represent time by storing the hour, minute, and second portions of the current tim e separately private int currentHour; private int currentMinute; private int currentSecond; public clock() { . } public clock(int h, int m, int s) { currentHour = 0; currentHour= 0; currentMinute = 0; currentSecond = 0; } } public void updateTime (int h, int m, int s) { currentSecond = currentSecond + s; while (currentSecond > 60) { currentSecond = current Second - 60; currentMinute++; currentMinute = 0; currentSecond = 0; updateTime(h, m, s); } } currentMinute = currentMinute + m; while (currentMinute > 60) { } currentMinute = currentMinute - 60; currentHour++; currentHour currentHour + h; currentHour = currentHour % 24; @Override public void springForward() { currentHour++; currentHour currentHour % 24; @Override public void fallBack() { currentHour--; currentHour = currentHour % 24; } public void printTime() { } System.out.println (currentHour + + currentMinute+ ":" + currentSecond); Does the Clock class represent time in 12-hour format or 24-hour format? (12-hour format means there is 6:00 am and 6:00 pm; 24-hour format means those same times are shown as 6:00 and 18:00) • Is DaylightSavingsTime a concrete class, abstract class, or interface? Which methods does the Clock class inherit from DaylightSavingsTime? . If the Clock is currently storing the time of 1:00:00 (currentHour = 1, currentMinute = 0, current Second = 0), and the updateTime() method is called with the arguments 2, 30, and O respectively, what will be the Clock's time after the method completes? (You can answer this either as a time or by showing the values of the variables.) • Is it possible for the printTime() method to ever show the time as "25:99:99"? Why or why not?

Database System Concepts
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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Use the following class definition to answer the questions below. public class Clock implements Daylight Savings Time { // Clocks represent time by storing the hour, minute, and second portions of the current tim e separately private int currentHour; private int currentMinute; private int currentSecond; } public clock() { } public Clock(int h, int m, int s) { currentHour = 0; currentMinute = 0; currentSecond = 0; updateTime (h, m, s); } public void updateTime(int h, int m, int s) { currentSecond = currentSecond + s; while (currentSecond > 60) { currentSecond = current Second - 60; currentMinute++; } currentHour = 0; currentMinute = 0; currentSecond = 0; } } currentMinute = currentMinute + m; while (currentMinute > 60) { } } currentMinute = currentMinute - 60; currentHour++; @Override public void springForward() { currentHour = currentHour + h; currentHour = currentHour % 24; currentHour++; currentHour = currentHour % 24; @Override public void fallBack() { currentHour--; currentHour = currentHour % 24; } public void printTime() { System.out.println(currentHour + ":" + currentMinute + + currentSecond); Does the Clock class represent time in 12-hour format or 24-hour format? (12-hour format means there is 6:00 am and 6:00 pm; 24-hour format means those same times are shown as 6:00 and 18:00) • Is DaylightSavingsTime a concrete class, abstract class, or interface? Which methods does the Clock class inherit from DaylightSavingsTime? • If the Clock is currently storing the time of 1:00:00 (currentHour = 1, currentMinute = 0, currentSecond = 0), and the updateTime() method is called with the arguments 2, 30, and O respectively, what will be the Clock's time after the method completes? (You can answer this either as a time or by showing the values of the variables.) • Is it possible for the printTime() method to ever show the time as "25:99:99"? Why or why not?
Transcribed Image Text:Use the following class definition to answer the questions below. public class Clock implements Daylight Savings Time { // Clocks represent time by storing the hour, minute, and second portions of the current tim e separately private int currentHour; private int currentMinute; private int currentSecond; } public clock() { } public Clock(int h, int m, int s) { currentHour = 0; currentMinute = 0; currentSecond = 0; updateTime (h, m, s); } public void updateTime(int h, int m, int s) { currentSecond = currentSecond + s; while (currentSecond > 60) { currentSecond = current Second - 60; currentMinute++; } currentHour = 0; currentMinute = 0; currentSecond = 0; } } currentMinute = currentMinute + m; while (currentMinute > 60) { } } currentMinute = currentMinute - 60; currentHour++; @Override public void springForward() { currentHour = currentHour + h; currentHour = currentHour % 24; currentHour++; currentHour = currentHour % 24; @Override public void fallBack() { currentHour--; currentHour = currentHour % 24; } public void printTime() { System.out.println(currentHour + ":" + currentMinute + + currentSecond); Does the Clock class represent time in 12-hour format or 24-hour format? (12-hour format means there is 6:00 am and 6:00 pm; 24-hour format means those same times are shown as 6:00 and 18:00) • Is DaylightSavingsTime a concrete class, abstract class, or interface? Which methods does the Clock class inherit from DaylightSavingsTime? • If the Clock is currently storing the time of 1:00:00 (currentHour = 1, currentMinute = 0, currentSecond = 0), and the updateTime() method is called with the arguments 2, 30, and O respectively, what will be the Clock's time after the method completes? (You can answer this either as a time or by showing the values of the variables.) • Is it possible for the printTime() method to ever show the time as "25:99:99"? Why or why not?
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