COMP 274

  • COMP 274 Week 1 Homework

    COMP 274 Week 1 Homework

    COMP 274 Week 1 Homework 1. What is the Java source filename extension? 2. Write a Java statement to display the string “The value is 100” to a user in a plain dialog box. 3. What is the command you would use to compile the file Addition...

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  • COMP 274 Week 1 ilab Programming Assignment

    COMP 274 Week 1 ilab Programming Assignment

    COMP 274 Week 1 ilab Programming Assignment Do the following two programs: Write a Java application that inputsthree integers from the user and displays the sum, average, product, smallest and largest of the numbers. Use a Scanner object to get...

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  • COMP 274 Week 2 Homework

    COMP 274 Week 2 Homework

    COMP 274 Week 2 Homework 1. Can you access an instance variable from a static method? Explain why or why not. 2. Can you access a static variable from an instance method? Explain why or why not 3. Consider the case where you have two classes, ClassA...

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  • COMP 274 Week 3 Homework

    COMP 274 Week 3 Homework

    COMP 274 Week 3 Homework 1. Write a statement to create a JFrame object with a title of “My GUI Application”. 2. Given the object you created in question 1,write a statement to specify the window size to be 300 pixels wide and 400 pixels...

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  • COMP 274 Week 4 Homework

    COMP 274 Week 4 Homework

    COMP 274 Week 4 Homework 1. What is an abstract class and how does it differ from a regular class?  2. Why are abstract class constructors defined as protected? 3. Class X defines method M1( ) as abstract. Class Y inherits from Class X and...

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  • COMP 274 Week 5 Homework

    COMP 274 Week 5 Homework

    COMP 274 Week 5 Homework 1. Describe the graphical coordinate system in Java. Where is the origin? What units apply to the x,y coordinates? 2. How would you use the Graphics class to draw a line between 2 specific points? Give an example. 3. How do...

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  • COMP 274 Week 6 Homework

    COMP 274 Week 6 Homework

    COMP 274 Week 6 Homework 1. What is the difference between throwing an exception and catching an exception? 2. How does a method declare that it can throw an exception? How does it actually throw an exception? Use Java code to illustrate your answer...

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