Trace the execution of the following sequence of JavaScript assignments. For each assignment, fill in the values of the variables in their corresponding boxes—even those values that aren’t changed.
What will be an ideal response?
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Given a class named Animals and a class variable named ducky which will reference an Animals object, which is the correct way, using the textbook's pseudocode, to create an Animals object?
a. Set ducky = Animals() b. Set Animals = New ducky() c. Set ducky = New Animals() d. Set ducky = New Animals object
The length of a string can be determined by ________.
a. the String method length() b. the String instance variable length c. the String method strlen() d. All of the above.
Which of the following statements will assign the first command-line argument sent into a Java program to a variable called argument?
a) argument = System.getFirstArgument(); b) argument = System.getArgument[1]; c) argument = System.getArgument[0]; d) argument = args[0]; e) argument = args[1];
Imagine that you have a picture, and you are painting a copy of it. But you have only eight colors. Write a function that inputs a picture, and makes these changes to each pixel. For each of red, green, and blue, if the component is less than 100, make it zero. Otherwise, make it 255.
What will be an ideal response?