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Questions:
Write a program that allows a user to enter a line of text, counts number of words and number of vowels in the sentence, and gives the average number of vowels per word in the message (vowels are letters a, e, i, o, u or A, E, I, O , U). Your program should contain a class SentenceCounter and a graphical user interface called SentenceCounterGUI.
1. The class SentenceCounter can be used to count words, vowels and the average number of vowels per word in the sentence. It has the following methods:
The following UML diagram might be of assistance:
SentenceCounter
- sentence: String
- numberOfWords: int
- numberOfVowels: int
- average: double
+ SentenceCounter(sentence : String)
+ countWords ( ) : void
+ countVowels ( ) : void
+ averageVowels ( ) : void
+ getNumberOfWords( ) : int
+ getNumberOfVowels( ) : int
+ getAverage( ) : double
+ toString( ) : String
2. Write a graphical user interface class called SentenceCounterGUI. It should be able to manipulate the sentence of words and have the following behaviour:
The class should include a main method that prepares a frame in which the panel is displayed.
Write a java applet (not a java application program) for costco gas station. The applet will first ask you whether you are a costco customer, then the grade of gas you want to use.
Prompt the user for the student's score and put that value into an object
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Study the principles of data abstraction, inheritance and dynamic binding. Use Library to get started on finding resources.You must take the terms and describe it.
Write a program called "GF2.java" to implement the finite field GF(p n )where p is a prime number andn is a positive integer.You also need to write four methodsto realize.
Write a class named TestScores.The class constructor should accept an array of test scores as an argument.The class should have a method that returns the average of the test scores.
Create file Lab7.java with a main method. Inside your main method, write a segment of code which instantiates an object of the Student class (This class has been created for you in the Student.java file that is provided as part of this lab).
Describe how an eavesdropped can gain access to the remote server with a relatively modest number of guesses ( Hint: The eavesdropped starts guessing after the original user has typed all but one character of the password.
Create an application for Disney's Cottages, a weekend getaway resort that rents cottages and boats to use on the local lake
Write a Java program which computes the Salary for a given number of employees. The program prompts user to enter n the number of employees.
After the method is defined, the main method must repeatedly have the user enter 3 integers, call the triangleType method and display the return type. Be sure not to have an infinite loop by allowing the user to quit.
After being given a collection of scores (type int) for the last exam in your computer course, you are to computer the average of the scores and assign grades (O, S, U i.e. Outstanding, Satisfactory, Unsatisfactory)) to each student according to the ..
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