Category: Java

Design and implement an application that reads a string from the user and prints it one character per line.

Design and implement an application that reads a string from the user and prints it one character per line.

LANGUAGE: Java CHALLENGE: Design and implement an application that reads a string from the user and prints it one character per line....

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Design and implement a class called Box that contains instance data that represents the height, width, and depth of the box.

Design and implement a class called Box that contains instance data that represents the height, width, and depth of the box.

LANGUAGE: Java CHALLENGE: Design and implement a class called Box that contains instance data that represents the height, width, and depth of the box. These dimensions should be of a type that can represent linear measurements, including fractional ones. Also include a boolean variable called full as instance data that represents whether the box is...

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Design and implement a class called Car that contains instance data that represents the make, model, and year of the car

Design and implement a class called Car that contains instance data that represents the make, model, and year of the car

LANGUAGE: Java CHALLENGE: Design and implement a class called Car that contains instance data that represents the make, model, and year of the car (as a String, String and int value respectively). Define the Car constructor to initialize these values (in that order). Include getter and setter methods for all instance data, and a toString...

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Design and implement a class called Sphere that contains instance data that represents the sphere’s diameter.

Design and implement a class called Sphere that contains instance data that represents the sphere’s diameter.

LANGUAGE: Java CHALLENGE: Design and implement a class called Sphere that contains instance data that represents the sphere’s diameter. Define the Sphere constructor to accept and initialize the diameter, and include getter and setter methods for the diameter. Include methods calcVolume and calcSurfaceArea that calculate and return the volume and surface area of the sphere....

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Assume that an array named salarySteps whose elements are of type int and that has exactly five elements has already been declared.

Assume that an array named salarySteps whose elements are of type int and that has exactly five elements has already been declared.

LANGUAGE: Java CHALLENGE: Assume that an array named salarySteps whose elements are of type int and that has exactly five elements has already been declared. Write a single statement to assign the value 30000 to the first element of this array....

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Given Suppose the values of the array a BEFORE your code executed were: 15,7,22,4.

Given Suppose the values of the array a BEFORE your code executed were: 15,7,22,4.

LANGUAGE: Java CHALLENGE: Given Suppose the values of the array a BEFORE your code executed were: 15,7,22,4. Then, AFTER your code executed, the values of the array a would be: 3,7,22,4. Note that the value of the first element was changed to 3. that an array named a with elements of typeint has been declared,...

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Write a method, getSecondLine, that is passed a String argument and that returns the second line, without its newline character.

Write a method, getSecondLine, that is passed a String argument and that returns the second line, without its newline character.

LANGUAGE: Java CHALLENGE: Write a method, getSecondLine, that is passed a String argument and that returns the second line, without its newline character. (Recall that lines are terminated with the “\n” character .) Assume that the argument contains at least two complete, newline-terminated lines.

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Write a method, getFirstLine, that is passed a String argument and that returns the first line.

Write a method, getFirstLine, that is passed a String argument and that returns the first line.

LANGUAGE: Java CHALLENGE: Write a method, getFirstLine, that is passed a String argument and that returns the first line. (Recall that lines are terminated with the “\n” character.) Assume that the argument contains at least one complete, newline-terminated line....

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Write a method, makeEmailAddress, that is passed two String arguments: the first is a username, like “leadbelly” and the second is a domain name, like “blues.com”.

Write a method, makeEmailAddress, that is passed two String arguments: the first is a username, like “leadbelly” and the second is a domain name, like “blues.com”.

LANGUAGE: Java CHALLENGE: Write a method, makeEmailAddress, that is passed two String arguments: the first is a username, like “leadbelly” and the second is a domain name, like “blues.com”. The method returns an email address formed from joining these with an “@”: “leadbelly@blues.com”....

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Write a method, getEmailDomain, that is passed a String argument that is an email address and returns the domain name part. So if “mozart@salzberg.de” is passed, the method returns “salzberg.de”.

Write a method, getEmailDomain, that is passed a String argument that is an email address and returns the domain name part.  So if “mozart@salzberg.de” is passed, the method returns “salzberg.de”.

LANGUAGE: Java CHALLENGE: Write a method, getEmailDomain, that is passed a String argument that is an email address and returns the domain name part. So if “mozart@salzberg.de” is passed, the method returns “salzberg.de”. Assume that the argument will always be a correctly formatted email address....

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Write a method, getEmailUserName, that is passed a String argument that is an email address and returns the user-name part.

Write a method, getEmailUserName, that is passed a String argument that is an email address and returns the user-name part.

LANGUAGE: Java CHALLENGE: Write a method, getEmailUserName, that is passed a String argument that is an email address and returns the user-name part. So if “mozart@salzberg.de” is passed, the method returns “mozart”. Assume that the argument will always be a correctly formatted email address....

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Write a method, makeSubjectLine, that gets a String argument and returns the same String but with “Subject: ” in front of it. So if the argument is “Are you going to the show?” the method returns “Subject: Are you going to the show?”.

Write a method, makeSubjectLine, that gets a String argument and returns the same String but with “Subject: ” in front of it. So if the argument is “Are you going to the show?” the method returns “Subject: Are you going to the show?”.

LANGUAGE: Java CHALLENGE: Write a method, makeSubjectLine, that gets a String argument and returns the same String but with “Subject: ” in front of it. So if the argument is “Are you going to the show?” the method returns “Subject: Are you going to the show?”....

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