Java Archives

In Introduction To Java Programming

Program To Calculate Energy

November 6, 2015 1 Min Read

The program below is the answer to Liang’s Introduction to Java Programming (9th Edition) Chapter 2 Exercise 2.10.Question: Write a…

In Introduction To Java Programming

Java Physics Program To Calculate Average Acceleration

November 6, 2015 1 Min Read

The program below is the answer to Liang’s Introduction to Java Programming (9th Edition) Chapter 2 Exercise 2.9.


/**<br /> *<br /> * @Author: Aghatise Osazuwa<br /> * Website: www.cscprogrammingtutorials.com<br /> *<br /> * Exercise 2.9 - Physics: Acceleration<br /> *<br /> */ <br /><br />import java.util.Scanner;<br /><br />public class PhysicsAcceleration {<br />    public static void main (String [] args) {<br /><br />        Scanner input = new Scanner(System.in);<br />        <br />        System.out.println("This Program Calculates Average Acceleration.n");<br />        <br />        System.out.println("Enter starting velocity(v0) in meter/second: ");<br />        double startingVelocity = input.nextDouble();<br />        <br />        System.out.println("Enter ending velocity(v1) in meter/second: ");<br />        double endingVelocity = input.nextDouble();<br />        <br />        System.out.println("Enter time(t) in seconds: ");<br />        double time = input.nextDouble();<br />        <br />        double average = (endingVelocity - startingVelocity) / time;<br />        <br />        //display result to 4 decimal places<br />        System.out.println("The average acceleration is " + (int)(average * 10000) / 10000.0);<br />    }<br />}<br />

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/** * * @Author: Aghatise Osazuwa * Website: www.cscprogrammingtutorials.com * * Exercise 2.9 - Physics: Acceleration * */ import java.util.Scanner; public class PhysicsAcceleration { public static void main (String [] args) { Scanner input = new Scanner(System.in); System.out.println("This Program Calculates Average Acceleration.n"); System.out.println("Enter starting velocity(v0) in meter/second: "); double startingVelocity = input.nextDouble(); System.out.println("Enter ending velocity(v1) in meter/second: "); double endingVelocity = input.nextDouble(); System.out.println("Enter time(t) in seconds: "); double time = input.nextDouble(); double average = (endingVelocity - startingVelocity) / time; //display result to 4 decimal places System.out.println("The average acceleration is " + (int)(average * 10000) / 10000.0); } }

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In Introduction To Java Programming

Java Program To Display Current Time In GMT

November 6, 2015 1 Min Read

The program below is the answer to Liang’s Introduction to Java Programming (9th Edition) Chapter 2 Exercise 2.8.Question: (Current time)…

In Introduction To Java Programming

Program To Find Number Of Years

November 6, 2015 1 Min Read

The program below is the answer to Liang’s Introduction to Java Programming (9th Edition) Chapter 2 Exercise 2.7.Question: (Find the…

In Introduction To Java Programming

Java Program To Sum The Digits In An Integer

November 6, 2015 1 Min Read

The program below is the answer to Liang’s Introduction to Java Programming (9th Edition) Chapter 2 Exercise 2.6.Question: Write a program…

In Introduction To Java Programming

Answer To Introduction To Java Programming Exercise 2.5

November 5, 2015 1 Min Read

The program below is the answer to Liang’s Introduction to Java Programming (9th Edition) Chapter 2 Exercise 2.5.


/**<br /> *<br /> * @Author: Aghatise Osazuwa<br /> * Website: www.cscprogrammingtutorials.com<br /> *<br /> * Exercise 2.5 - Financial Application: Calculate Tips<br /> *<br /> */ <br /><br />import java.util.Scanner;<br /><br />public class FinancialApplication {<br />    public static void main (String [] args) {<br />        Scanner input = new Scanner(System.in);<br />        System.out.println("This Program Computes Gratuity.n");<br />        System.out.println("Enter the subtotal and a gratuity rate: ");<br />        double subtotal = input.nextDouble();<br />        double gratuityRate = input.nextDouble();<br />        double gratuity = gratuityRate/10;<br />        double total = subtotal + gratuity;<br />        <br />        System.out.printf ("The gratuity is $" + gratuity + " and total is $" + total + "n");<br />    }<br />}<br />

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/** * * @Author: Aghatise Osazuwa * Website: www.cscprogrammingtutorials.com * * Exercise 2.5 - Financial Application: Calculate Tips * */ import java.util.Scanner; public class FinancialApplication { public static void main (String [] args) { Scanner input = new Scanner(System.in); System.out.println("This Program Computes Gratuity.n"); System.out.println("Enter the subtotal and a gratuity rate: "); double subtotal = input.nextDouble(); double gratuityRate = input.nextDouble(); double gratuity = gratuityRate/10; double total = subtotal + gratuity; System.out.printf ("The gratuity is $" + gratuity + " and total is $" + total + "n"); } }

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In Introduction To Java Programming

Pounds To Kilograms Calculator

November 5, 2015 1 Min Read

The program below is the answer to Liang’s Introduction to Java Programming (9th Edition) Chapter 2 Exercise 2.4.


/**<br /> *<br /> * @Author: Aghatise Osazuwa<br /> * Website: www.cscprogrammingtutorials.com<br /> *<br /> * Exercise 2.4 - Convert Pounds To Kilograms<br /> *<br /> */ <br /><br />import java.util.Scanner;<br /><br />public class ConvertPoundsToKilograms {<br />    public static void main (String [] args) {<br />        Scanner input = new Scanner(System.in);<br />        System.out.println("This Program Converts A Number In Pounds To Kilograms.n");<br />        System.out.println("Enter a number in pounds: ");<br />        double pounds = input.nextDouble();<br />        double kilograms = pounds * 0.454;<br />        <br />        System.out.printf (pounds + " pounds is " + kilograms + " kilograms.n");<br />    }<br />}

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/** * * @Author: Aghatise Osazuwa * Website: www.cscprogrammingtutorials.com * * Exercise 2.4 - Convert Pounds To Kilograms * */ import java.util.Scanner; public class ConvertPoundsToKilograms { public static void main (String [] args) { Scanner input = new Scanner(System.in); System.out.println("This Program Converts A Number In Pounds To Kilograms.n"); System.out.println("Enter a number in pounds: "); double pounds = input.nextDouble(); double kilograms = pounds * 0.454; System.out.printf (pounds + " pounds is " + kilograms + " kilograms.n"); } }

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In Introduction To Java Programming

Feet To Meters Calculator In Java

November 5, 2015 1 Min Read

The program below is the answer to Liang’s Introduction to Java Programming (9th Edition) Chapter 2 Exercise 2.3.


/**<br /> *<br /> * @Author: Aghatise Osazuwa<br /> * Website: www.cscprogrammingtutorials.com<br /> *<br /> * Exercise 2.3 - Convert Feet To Meters<br /> *<br /> */ <br /><br />import java.util.Scanner;<br /><br />public class FeetToMeters {<br />    public static void main (String [] args) {<br />        Scanner input = new Scanner(System.in);<br />        System.out.println("This Program Converts A Number In Feet To Meters.n");<br />        System.out.println("Enter a value for feet: ");<br />        double feet = input.nextDouble();<br />        double meters = feet * 0.305;<br />        System.out.printf (feet + " feet is " + meters + " meters.n");<br />    }<br />}

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/** * * @Author: Aghatise Osazuwa * Website: www.cscprogrammingtutorials.com * * Exercise 2.3 - Convert Feet To Meters * */ import java.util.Scanner; public class FeetToMeters { public static void main (String [] args) { Scanner input = new Scanner(System.in); System.out.println("This Program Converts A Number In Feet To Meters.n"); System.out.println("Enter a value for feet: "); double feet = input.nextDouble(); double meters = feet * 0.305; System.out.printf (feet + " feet is " + meters + " meters.n"); } }

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In Introduction To Java Programming

Volume Of A Cylinder Calculator in Java

November 5, 2015 1 Min Read

The program below is the answer to Liang’s Introduction to Java Programming (9th Edition) Chapter 2 Exercise 2.2.


/**<br /> *<br /> * @Author: Aghatise Osazuwa<br /> * Website: www.cscprogrammingtutorials.com<br /> *<br /> * Exercise 2.2 - Compute The Volume Of A Cylinder<br /> *<br /> */ <br /><br />import java.util.Scanner;<br /><br />public class VolumeOfCylinder {<br />    public static void main (String [] args) {<br />        Scanner input = new Scanner(System.in);<br />        System.out.println("This Program Computes The Area And Volume Of A Cylinder.n");<br />        System.out.println("Enter the radius and length of a cylinder separated "<br />                + "by a space or by pressing the ENTER key: ");<br />        double radius = input.nextDouble();<br />        double length = input.nextDouble();<br />        double area = radius * radius * Math.PI;<br />        double volume = area * length;<br />        <br />        System.out.printf ("%s%.2f%s%.2f%s", "The Area is ", area, <br />                "nThe Volume is ", volume, "n");<br />    }<br />}<br />

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/** * * @Author: Aghatise Osazuwa * Website: www.cscprogrammingtutorials.com * * Exercise 2.2 - Compute The Volume Of A Cylinder * */ import java.util.Scanner; public class VolumeOfCylinder { public static void main (String [] args) { Scanner input = new Scanner(System.in); System.out.println("This Program Computes The Area And Volume Of A Cylinder.n"); System.out.println("Enter the radius and length of a cylinder separated " + "by a space or by pressing the ENTER key: "); double radius = input.nextDouble(); double length = input.nextDouble(); double area = radius * radius * Math.PI; double volume = area * length; System.out.printf ("%s%.2f%s%.2f%s", "The Area is ", area, "nThe Volume is ", volume, "n"); } }

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In Introduction To Java Programming

Java Program To Convert Celsius To Fahrenheit

November 4, 2015 1 Min Read

The program below is the answer to Liang’s Introduction to Java Programming (9th Edition) Chapter 2 Exercise 2.1.


/**<br /> *<br /> * @Author: Aghatise Osazuwa<br /> * Website: www.cscprogrammingtutorials.com<br /> *<br /> * Exercise 2.1 - Convert Celsius To Fahrenheit<br /> *<br /> */ <br /><br />import java.util.Scanner;<br /><br />public class ConvertCelsiusToFahrenheit {<br />    public static void main (String [] args) {<br />        Scanner input = new Scanner(System.in);<br />        System.out.println("This Program Converts Degrees From Celcius To Fahrenheit.n");<br />        System.out.print("Enter Celcius Degree: ");<br />        double celcius = input.nextDouble();<br />        double fahrenheit = (9.0/5) * celcius + 32;<br />        System.out.println (celcius + " Celcius is " + fahrenheit + " Fahrenheit.");<br />    }<br />}<br /><br />

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/** * * @Author: Aghatise Osazuwa * Website: www.cscprogrammingtutorials.com * * Exercise 2.1 - Convert Celsius To Fahrenheit * */ import java.util.Scanner; public class ConvertCelsiusToFahrenheit { public static void main (String [] args) { Scanner input = new Scanner(System.in); System.out.println("This Program Converts Degrees From Celcius To Fahrenheit.n"); System.out.print("Enter Celcius Degree: "); double celcius = input.nextDouble(); double fahrenheit = (9.0/5) * celcius + 32; System.out.println (celcius + " Celcius is " + fahrenheit + " Fahrenheit."); } }

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In Introduction To Java Programming

Java Program To Calculate Average Speed In Kilometers

November 1, 2015 1 Min Read


/**<br /> *<br /> * @Author: Aghatise Osazuwa<br /> * Website: www.cscprogrammingtutorials.com<br /> *<br /> * Exercise 1.12 - Average Speed In Kilometers<br /> *<br /> */ <br /><br />public class Ex1_12 {<br />  public static void main(String[] args) {<br />    System.out.println("Distance = 24 miles =" + (24.0 * 1.6) + " kilometersn");<br />    System.out.println("Time = 1 hour 40 minutes 35 seconds" + " = "<br />       + (1 + (((40.0 * 60.0) + 35.0) / 3600)) + " hours.n");<br />    System.out.print("Average Speed In kilometers per hour = ");<br />    System.out.println(((24.0 * 1.6) / (1 + (((40.0 * 60.0) + 35.0) / 3600)))<br />       + " kph.");<br /> }<br />}

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/** * * @Author: Aghatise Osazuwa * Website: www.cscprogrammingtutorials.com * * Exercise 1.12 - Average Speed In Kilometers * */ public class Ex1_12 { public static void main(String[] args) { System.out.println("Distance = 24 miles =" + (24.0 * 1.6) + " kilometersn"); System.out.println("Time = 1 hour 40 minutes 35 seconds" + " = " + (1 + (((40.0 * 60.0) + 35.0) / 3600)) + " hours.n"); System.out.print("Average Speed In kilometers per hour = "); System.out.println(((24.0 * 1.6) / (1 + (((40.0 * 60.0) + 35.0) / 3600))) + " kph."); } }

Program OutputClick here to see other solutions to Introduction to Java Programming.

In Introduction To Java Programming

Program To Calculate Average Speed In Miles

November 1, 2015 1 Min Read


/**<br /> *<br /> * @Author: Aghatise Osazuwa<br /> * Website: www.cscprogrammingtutorials.com<br /> *<br /> * Exercise 1.10 - Average Speed In Miles<br /> *<br /> */ <br /><br />public class Ex1_10 {<br />  public static void main(String[] args) {<br />    System.out.println("Distance = 14km nTime = 45 minutes 30 seconds = (45 x 60) + 30 n"<br />	+ "                               -------------- hours n"<br />	+ "                                    3600            n"<br />	+ "1 mile = 1.6 kilometers. nAverage Speed in miles per hour = "<br />	+ (14.0 / 1.6)/ (((45.0 * 60.0) + 30.0) / 3600) + " mph.");<br />  }<br />}

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/** * * @Author: Aghatise Osazuwa * Website: www.cscprogrammingtutorials.com * * Exercise 1.10 - Average Speed In Miles * */ public class Ex1_10 { public static void main(String[] args) { System.out.println("Distance = 14km nTime = 45 minutes 30 seconds = (45 x 60) + 30 n" + " -------------- hours n" + " 3600 n" + "1 mile = 1.6 kilometers. nAverage Speed in miles per hour = " + (14.0 / 1.6)/ (((45.0 * 60.0) + 30.0) / 3600) + " mph."); } }

Program OutputClick here to see other solutions to Introduction to Java Programming.