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Find the mean of the following data set: 54, 61, 59, 56, 55,…

Find the mean of the following data set: 54, 61, 59, 56, 55, 68 Round to two decimals

Published July 24, 2021
Categorized as Uncategorized

If the ProductionWorker is a subclass of the Employee class,…

If the ProductionWorker is a subclass of the Employee class, which feature of the object-oriented language is demonstrated by the following code?   Employee e;   ProductionWorker  p = new ProductionWorker();   e = p;

Published July 24, 2021
Categorized as Uncategorized

What is the purpose of the following algorithm, assuming s r…

What is the purpose of the following algorithm, assuming s references a String? boolean valid = (s != null);int i = 0;char ch;while (valid && i < s.length()){     ch = s.charAt(i);   valid = Character.isLetterOrDigit(ch);   i++;}

Published July 24, 2021
Categorized as Uncategorized

To treat primitive type values as objects, you must use ____…

To treat primitive type values as objects, you must use ____________________ classes.

Published July 24, 2021
Categorized as Uncategorized

How many ways can a president, vice-president, secretary, an…

How many ways can a president, vice-president, secretary, and treasurer be chosen from a  club with 8 members? Assume that no member can hold more than one office.

Published July 24, 2021
Categorized as Uncategorized

Making an instance of one class a field (data member) in ano…

Making an instance of one class a field (data member) in another class is called ________________.

Published July 24, 2021
Categorized as Uncategorized

License plates are made using 2 letters followed by 3 digits…

License plates are made using 2 letters followed by 3 digits. How many plates can be made if repetition of letters and digits is allowed?  (There are a total of 26 letters and 10 digits.)

Published July 24, 2021
Categorized as Uncategorized

In the following code, assume that inputFile references a Sc…

In the following code, assume that inputFile references a Scanner object that has been successfully used to open a file:What will be the value of totalIncome after the following values are read from the file? 2.58.53.05.5abc1.0

Published July 24, 2021
Categorized as Uncategorized

What is the output of the following code: Circle c1 = new Ci…

What is the output of the following code: Circle c1 = new Circle(3); Circle c2 = new Circle(c1); c1.setRadius(4); System.out.println(c2.getRadius());

Published July 24, 2021
Categorized as Uncategorized

This type of methods cannot access any non-static members in…

This type of methods cannot access any non-static members in its own class. 

Published July 24, 2021
Categorized as Uncategorized

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