Posts Tagged ‘Java’
Design a class named Fan to represent a fan.
LANGUAGE: JAVA CHALLENGE: (The Fan class ) Design a class named Fan to represent a fan. The class contains: – Three constants named SLOW, MEDIUM, and FAST with the values 1, 2, and 3 to denote the fan speed. – A private int data field named speed that specifies the speed of the fan (the…
Read MoreWrite a method that finds the number of occurrences of a specified character in a string using the following header
LANGUAGE: JAVA CHALLENGE: (Occurrences of a specified character ) Write a method that finds the number of occurrences of a specified character in a string using the following header: public static int count(String str, char a) Add a main method to the class that tests the method by prompting for a string and a character,…
Read MoreWrite a program that prompts the user to enter an integer for today’s day of the week (Sunday is 0, Monday is 1, …, and Saturday is 6).
LANGUAGE: JAVA CHALLENGE: 3-5) (Find future dates) Write a program that prompts the user to enter an integer for today’s day of the week (Sunday is 0, Monday is 1, …, and Saturday is 6). Also, prompt the user to enter the number of days after today for a future day and dis- play the…
Read MoreThe area of a square is stored in a double variable named area. Write an expression whose value is length of the diagonal of the square.
LANGUAGE: JAVA CHALLENGE: The area of a square is stored in a double variable named area. Write an expression whose value is length of the diagonal of the square.
Read MoreThe area of a square is stored in a double variable named area . Write an expression whose value is length of one side of the square.
LANGUAGE: JAVA CHALLENGE: The area of a square is stored in a double variable named area . Write an expression whose value is length of one side of the square.
Read MoreWrite a statement that calls add to compute the sum of euroSales and asiaSales and that stores this value in eurasiaSales.
LANGUAGE: JAVA CHALLENGE: Assume the availability of a class named Arithmetic that provides a static method, add, that accepts two int arguments and returns their sum. Two int variables, euroSales and asiaSales, have already been declared and initialized. Another int variable, eurasiaSales, has already been declared. Write a statement that calls add to compute the…
Read MoreWrite an expression that results in a String consisting of the third through tenth characters of the String s.
LANGUAGE: JAVA CHALLENGE: Write an expression that results in a String consisting of the third through tenth characters of the String s.
Read MoreWrite the declaration of a String variable named foreground and initialize it to “black”
LANGUAGE: JAVA CHALLENGE: Write the declaration of a String variable named foreground and initialize it to “black”
Read MoreWrite the declaration of three String variables named win, place, and show.
LANGUAGE: JAVA CHALLENGE: Write the declaration of three String variables named win, place, and show.
Read MoreDeclare a String variable named mailingAddress
LANGUAGE: JAVA CHALLENGE: Declare a String variable named mailingAddress.
Read MoreWrite the declaration of a String variable named title.
LANGUAGE: JAVA CHALLENGE: Write the declaration of a String variable named title.
Read MoreAssume that logger is a reference to an object that has a method named printErrorDescription, that accepts one int argument and returns no value. Write a statement that invokes the method printErrorDescription, passing it the value 14
LANGUAGE: JAVA CHALLENGE: Assume that logger is a reference to an object that has a method named printErrorDescription, that accepts one int argument and returns no value. Write a statement that invokes the method printErrorDescription, passing it the value 14
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