7. Long-Distance CallsA long-distance provider charges the following rates for telephone calls: Rate Category Rate per MinuteDaytime (6:00 a.m. through 5:59 p.m.) 0ドル.07Evening (6:00 p.m. through 11:59 p.m.) 0ドル.12Off-Peak (midnight through 5:59 a.m.) 0ドル.05Write a GUI application that allows the user to select a rate category (from a set of radio buttons), and enter the number of minutes of the call into an Entry widget. An info dialog box should display the charge for the call.

Name and Address The Name and Address Problem Write a GUI program that displays your name and address when a button is clicked. The program’s window should appear as the sketch on the left side of Figure 13-61 when it runs. When the user clicks the Show Info button, the program should display your name and address, as shown in the sketch on the right of the figure.

Exercise 1 Function and Structure [30 pts] Please debug the following program and answer the following questions. There is a cycle in a linked list if some node in the list can be reached again by continuously following the next pointer. #include typedef struct node { int value; struct node *next; } node; int 11_has_cycle (node *first) if (first == node *head = { NULL) return 0; first; while (head->next != NULL) { } if (head first) { return 1; } head = head->next; return 0; void test ll_has_cycle () { int i; node nodes [6]; for (i = 0; i < 6; i++) { nodes [i] .next = NULL; nodes [i].value = i; } nodes [0] .next = &nodes [1]; nodes [1] .next = &nodes [2]; nodes [2] .next = &nodes [3]; nodes [3] .next nodes [4] .next &nodes [4]; NULL; nodes [5] .next = &nodes [0]; printf("1. Checking first list for cycles. \n Function 11_has_cycle says it has s cycle\n\n", 11_has_cycle (&nodes [0])?"a":"no"); printf("2. Checking length-zero list for cycles. \n Function 11_has_cycle says it has %s...

Chapter 9 Solutions

Starting Out with Java: From Control Structures through Objects (7th Edition) (What's New in Computer Science)

Ch. 9.2 - Prob. 9.1CP Ch. 9.2 - Write an if statement that displays the word digit... Ch. 9.2 - Prob. 9.3CP Ch. 9.2 - Write a loop that asks the user, Do you want to... Ch. 9.2 - Prob. 9.5CP Ch. 9.2 - Write a loop that counts the number of uppercase... Ch. 9.3 - Prob. 9.7CP Ch. 9.3 - Modify the method you wrote for Checkpoint 9.7 so... Ch. 9.3 - Look at the following declaration: String cafeName... Ch. 9.3 - Prob. 9.10CP

Ch. 9.3 - Prob. 9.11CP Ch. 9.3 - Prob. 9.12CP Ch. 9.3 - Prob. 9.13CP Ch. 9.3 - Look at the following code: String str1 = To be,... Ch. 9.3 - Prob. 9.15CP Ch. 9.3 - Assume that a program has the following... Ch. 9.4 - Prob. 9.17CP Ch. 9.4 - Prob. 9.18CP Ch. 9.4 - Prob. 9.19CP Ch. 9.4 - Prob. 9.20CP Ch. 9.4 - Prob. 9.21CP Ch. 9.4 - Prob. 9.22CP Ch. 9.4 - Prob. 9.23CP Ch. 9.4 - Prob. 9.24CP Ch. 9.5 - Prob. 9.25CP Ch. 9.5 - Prob. 9.26CP Ch. 9.5 - Look at the following string:... Ch. 9.5 - Prob. 9.28CP Ch. 9.6 - Write a statement that converts the following... Ch. 9.6 - Prob. 9.30CP Ch. 9.6 - Prob. 9.31CP Ch. 9 - The isDigit, isLetter, and isLetterOrDigit methods... Ch. 9 - Prob. 2MC Ch. 9 - The startsWith, endsWith, and regionMatches... Ch. 9 - The indexOf and lastIndexOf methods are members of... Ch. 9 - Prob. 5MC Ch. 9 - Prob. 6MC Ch. 9 - Prob. 7MC Ch. 9 - Prob. 8MC Ch. 9 - Prob. 9MC Ch. 9 - Prob. 10MC Ch. 9 - To delete a specific character in a StringBuilder... Ch. 9 - Prob. 12MC Ch. 9 - This String method breaks a string into tokens. a.... Ch. 9 - These static final variables are members of the... Ch. 9 - Prob. 15TF Ch. 9 - Prob. 16TF Ch. 9 - True or False: If toLowerCase methods argument is... Ch. 9 - True or False: The startsWith and endsWith methods... Ch. 9 - True or False: There are two versions of the... Ch. 9 - Prob. 20TF Ch. 9 - Prob. 21TF Ch. 9 - Prob. 22TF Ch. 9 - Prob. 23TF Ch. 9 - int number = 99; String str; // Convert number to... Ch. 9 - Prob. 2FTE Ch. 9 - Prob. 3FTE Ch. 9 - Prob. 4FTE Ch. 9 - The following if statement determines whether... Ch. 9 - Write a loop that counts the number of space... Ch. 9 - Prob. 3AW Ch. 9 - Prob. 4AW Ch. 9 - Prob. 5AW Ch. 9 - Modify the method you wrote for Algorithm... Ch. 9 - Prob. 7AW Ch. 9 - Look at the following string:... Ch. 9 - Assume that d is a double variable. Write an if... Ch. 9 - Write code that displays the contents of the int... Ch. 9 - Prob. 1SA Ch. 9 - Prob. 2SA Ch. 9 - Prob. 3SA Ch. 9 - How can you determine the minimum and maximum... Ch. 9 - Prob. 1PC Ch. 9 - Prob. 2PC Ch. 9 - Prob. 3PC Ch. 9 - Prob. 4PC Ch. 9 - Prob. 5PC Ch. 9 - Prob. 6PC Ch. 9 - Check Writer Write a program that displays a... Ch. 9 - Prob. 8PC Ch. 9 - Prob. 9PC Ch. 9 - Word Counter Write a program that asks the user... Ch. 9 - Sales Analysis The file SalesData.txt, in this... Ch. 9 - Prob. 12PC Ch. 9 - Alphabetic Telephone Number Translator Many... Ch. 9 - Word Separator Write a program that accepts as... Ch. 9 - Pig Latin Write a program that reads a sentence as... Ch. 9 - Prob. 16PC Ch. 9 - Lottery Statistics To play the PowerBall lottery,... Ch. 9 - Gas Prices In the student sample program files for...

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Solution Summary: The author describes the process of tokenizing a string using the split method, which breaks the string into components called tokens.

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Chapter 9 Solutions