Computer scientists are exclusively responsible for all of the following EXCEPT____.
a. designing software packages
b. testing software packages
c. building software packages
d. using software packages
d. using software packages
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Answer the following statements true (T) or false (F)
1. Both types of parsers—validating and non-validating—check to make sure that an XML document is well-formed.
2. A DTD, which stands for Document Table Definition, must be included with all XML documents.
3. The syntax to create a style for an XML element named
Develop an application that calculates a salesperson’s commission from the number of items sold (Fig. 11.20). Assume that all items have a fixed price of 100 dollars per unit. Use a switch statement to implement the following sales commission schedule:
Fewer than 10 items sold = 1% commission
Between 10 and 39 items sold = 2% commission
Between 40 and 99 items sold = 3% commission
More than 99 items sold = 4% commission
a) Copying the template to your working directory. Copy the directory C:Examples Tutorial11ExercisesSalesCommissionCalculator to your C:SimplyJava directory.
b) Opening the template file. Open the SalesCommissionCalculator.java file in your text editor. In the template, line 127 in the calculateJButtonActionPerformed method obtains the number of items sold that was entered by the user, converts the number to an int value and assigns the value to the int local variable items. Line 129 declares the double constant DOLLARS_PER_UNIT to represent the cost for each item sold. Line 132 creates the DecimalFormat variable dollars that will be used to for- mat the gross sales and the salesperson’s earnings for display purposes.
c) Calculate the gross sales. In calculateJButtonActionPerformed, insert a stat
A(n) ____________________ brush creates a natural brush stroke with the streaks and varying opacities you would find with an actual paint brush, allowing you to mimic the look and feel of traditional disciplines like watercolor or paint.
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