Absolute Java (6th Edition)
6th Edition
ISBN: 9780134041674
Author: Walter Savitch, Kenrick Mock
Publisher: PEARSON
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Textbook Question
Chapter 2, Problem 14STE
Write a complete Java
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Write a program IN JAVA to simulate a calculator for String values. The program should take three inputs from the user.
The first two inputs are of type String. The user may enter any text.
The third input is also a String but limited to one of these words – concat, contains, and equal. These words indicate operations that can be performed on the previous two strings.
Example 1: if the user entered the following (bold text is user input):
Enter String 1: Hello
Enter String 2: World
Enter String 3: Concat
Your program should join/concatenate Hello and World to print “Hello World”
Example 2: if the user entered the following (bold text is user input):
Enter String 1: My name is Joe
Enter String 2: Joe
Enter String 3: Contains
Your program should check if Joe is contained in My name is Joe and print the result of the operation with a helpful message, ““Joe” is contained in “My name is Joe””
Example 3: if the user entered the following
Enter String 1: Hello
Enter String 2: Hello
Enter…
Write a Java program (TicTacToe.java) for playing tic-tac-toe. You may assume that two human players are playing against each other. Your program should display an updated board before every turn, prompt the user to enter the row and column in which to play, and display "X wins!", "O wins!", or "Tie!" at the end of the game.
Here is a sample run of a correct program (user input indicated by orange text):Let's play Tic-Tac-Toe!
- - -- - -- - -Enter a row and column (1, 2, 3) for player X: 2 2
- - -- X -- - -Enter a row and column (1, 2, 3) for player O: 2 3
- - -- X O- - -Enter a row and column (1, 2, 3) for player X: 1 1
X - -- X O- - -Enter a row and column (1, 2, 3) for player O: 1 3
X - O- X O- - -Enter a row and column (1, 2, 3) for player X: 3 3
X - O- X O- - XX wins!
Write a JAVA program that reads one line of input text and breaks it up into words. The (solution) words should be output one per line. A word is defined to be a sequence of letters. Any characters in the input that are not letters should be discarded.
For example, if the user inputs the line He said, "That’s not a good idea."
then the output of the program should be
HesaidThatisnotagoodidea
An improved version of the program would list “that’s” as a single word. An apostrophe can be considered to be part of a word if there is a letter on each side of the apostrophe. To test whether a character is a letter, you might use (ch >= ’a’ && ch <= ’z’) || (ch >= ’A’ && ch <= ’Z’). However, this only works in English and similar languages. A better choice is to call the standard function Character.isLetter(ch), which returns a boolean value of true if ch is a letter and false if it is not. This works for any Unicode character.
Chapter 2 Solutions
Absolute Java (6th Edition)
Ch. 2 - Prob. 1STECh. 2 - Write Java statements that will cause the...Ch. 2 - What is the difference between System.out.println...Ch. 2 - Prob. 4STECh. 2 - What output is produced by the following code?
Ch. 2 - What output is produced by the following code? For...Ch. 2 - Write a Java statement to output the value in...Ch. 2 - What output is produced by the following code?...Ch. 2 - Suppose the class Robot is a part of the standard...Ch. 2 - Write an import statement that makes the Scanner...
Ch. 2 - Prob. 11STECh. 2 - Write a line of code that uses the object frank...Ch. 2 - Write a complete Java program that reads in a line...Ch. 2 - Write a complete Java program that reads in a line...Ch. 2 - Something could go wrong with the following code....Ch. 2 - Suppose your code creates an object of the class...Ch. 2 - Continue with the object keyboard from Self-Test...Ch. 2 - Prob. 18STECh. 2 - What is missing from the following code, which...Ch. 2 - The Babylonian algorithm to compute the square...Ch. 2 - (This is a version with input of an exercise from...Ch. 2 - Write a program that reads in two numbers typed on...Ch. 2 - John travels a distance of 55 miles at an average...Ch. 2 - Grade point average (GPA) in a 4-point scale is...Ch. 2 - (This is a better version of an exercise from...Ch. 2 - Write a program that determines the change to be...Ch. 2 - Write a program that reads in a string containing...Ch. 2 - (This is a better version of an exercise from...Ch. 2 - Write a program that inputs the name, quantity,...Ch. 2 - Write a program that calculates the total grade...Ch. 2 - (This is a variant of an exercise from Chapter 1.)...Ch. 2 - (This is an extension of an exercise from Chapter...Ch. 2 - From Programming Project 10 in Chapter 1,...
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