just questions 7,9,11,13

Exercises 169 a. str.regionMatches (6, str1, o, strl.1ength 0) b, str.regionMatches (true, 31, "Analysis", 0, 8) 12. Which class contains the function pow? Write the statement to use di 3.5 Suppose that name is a variable of type string. Write the input statement to read and store the input Brenda clinton in name. (Assume that the input is from the standard input device and it is the only input in a line; and console is a Scanner object initialized to the standard input device) 3 14 a. What method is used to create an input dialog boxi? What method is used to create an output dialog box? What is the name of the class that contains the methods to create input and output dialog boxes? What is the name of the package that contains the class described in part c? b. c. d. What does the following statement do? (Assume that scorestr is a String variable.) scorestr JoptionPane.showInputDialog ("Enter the score:") Write a Java statement that creates the output dialog box in Figure 3-16. 15. 16. The sum of 2 and 3.5 FIGURE 3-16 Figure for Exercise 16, Chapter 3 1. Write a Java statement that creates the output dialog box in Figure 3-17 ? Curment Temperature To degrees FIGURE 3.17 Figure for Exercise 17 . Chapter 3