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Questions 15,17,19, 21 Exercises 169 a. str.regionMatches (6, str1, 0, str1.length )) str.regionMatches (true, 31, Analysis, 0, 8) 12. Which class contains the function pow?
Questions 15,17,19, 21
Exercises 169 a. str.regionMatches (6, str1, 0, str1.length )) str.regionMatches (true, 31, "Analysis", 0, 8) 12. Which class contains the function pow? Write the statement to use the 13. Suppose that name is a variable of type String. Write the input statement method pow to compute and output 6.5 3.5 to read and store the input Brenda Clinton in name. (Assume that the nput 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.) 14. What method is used to create an input dialog box? 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? a. b. c. d. 15. 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. 16. Summing The sum of 2 and 3-5 OK FIGURE 3-16 Figure for Exercise 16, Chapter 3 17. Write a Java statement that creates the output dialog box in Figure 3-17. ?Current Temperature: 70 degrees OK FIGURE 3-17 Figure for Exercise 17, Chapter 3Step by Step Solution
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