Find the mean of the following data set: 54, 61, 59, 56, 55, 68 Round to two decimals
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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;
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++;}
To treat primitive type values as objects, you must use ____…
To treat primitive type values as objects, you must use ____________________ classes.
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.
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 ________________.
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.)
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
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());
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.