Java: An Introduction to Problem Solving and Programming (7th Edition)
7th Edition
ISBN: 9780133766264
Author: Walter Savitch
Publisher: PEARSON
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Textbook Question
Chapter 11, Problem 12E
Write a recursive method that will count the number of vowels in a string. (Hint: Each time you make a recursive call, use the String method substring to construct a new string consisting of the second through last characters. The final call will be when the string contains no characters.)
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1
Mark for Review
Consider the following class declaration.
public class Sample
{
private int a;
private double b;
public Sample (int x, double y)
{
}
a = x;
b = yi
}
// No other constructors
The following method appears in a class other than Sample.
public static void test()
{
Sample object =
new /* missing constructor call */ ;
}
APC
Which of the following could be used to replace /* missing constructor call */ so that the method will
compile without error?
Highlights &
Consider the following class definition
public class Bird
private String species;
private String color;
private boolean canFly;
public Bird(String str, String col, boolean ef)
'
species str;
color col;
cantly cf;
Autosaved at: 20:39:18
Mark for Review
Which of the following constructors, if added to the Bird class, will cause a compilation error?
public Bird()
'
species "unknown";
color "unknown";
canFly false;
public Bird(String col, String str).
species str;
color col;
cantly
false;
public Bird (boolean ef, String str, String col)
{
species str
color col;
canFlyef;
public Bird(String col, String str, boolean ef)
>
species str;
color col;
cantly ef;
(0)
Problem A
Add the 8-bit 2's-complement integer 01111111 to the 6-bit 2's-complement integer 011111.
Sign-extend the 6-bit number to 8 bits.
Add in binary and write the 8-bit result.
State whether overflow occurred and how you know.
Give the equivalent base-10 problem and result.
Problem B
Add the 7-bit 2's-complement integer 1010010 to the 5-bit 2's-complement integer 01110.
Sign-extend the 5-bit number to 7 bits.
Add in binary and write the 7-bit result.
State whether overflow occurred and how you know.
Give the equivalent base-10 problem and result.
Problem C
Add the 7-bit 2's-complement integer 1001110 to the 6-bit 2's-complement integer 100100.
Sign-extend the 6-bit number to 7 bits.
Add in binary and write the 7-bit result.
State whether overflow occurred and how you know.
Give the equivalent base-10 problem and result.
Chapter 11 Solutions
Java: An Introduction to Problem Solving and Programming (7th Edition)
Ch. 11.1 - What output will be produced by the following...Ch. 11.1 - What is the output produced by the following code?Ch. 11.1 - Write a recursive definition for the following...Ch. 11.1 - What is the output of the following code? public...Ch. 11.1 - Prob. 5STQCh. 11.1 - Complete the definition of the following method....Ch. 11.2 - Revise the method getCount in Listing 11.5 so that...Ch. 11.2 - Prob. 8STQCh. 11.2 - Prob. 9STQCh. 11.2 - Suppose you want me class ArraySearcher to work...
Ch. 11.2 - What Java statement will sort the following array,...Ch. 11.2 - How would you change the class MergeSort so that...Ch. 11.2 - How would you change the class MergeSort so that...Ch. 11.2 - If a value in an array of base type int occurs...Ch. 11 - What output will be produced by the following...Ch. 11 - What output will be produced by the following...Ch. 11 - Write a recursive method that will compute the...Ch. 11 - Write a recursive method that will compute the sum...Ch. 11 - Complete a recursive definition of the following...Ch. 11 - Write a recursive method that will compute the sum...Ch. 11 - Write a recursive method that will find and return...Ch. 11 - Prob. 8ECh. 11 - Write a recursive method that will compute...Ch. 11 - Suppose we want to compute the amount of money in...Ch. 11 - Prob. 11ECh. 11 - Write a recursive method that will count the...Ch. 11 - Write a recursive method that will remove all the...Ch. 11 - Write a recursive method that will duplicate each...Ch. 11 - Write a recursive method that will reverse the...Ch. 11 - Write a static recursive method that returns the...Ch. 11 - Write a static recursive method that returns the...Ch. 11 - One of the most common examples of recursion is an...Ch. 11 - A common example of a recursive formula is one to...Ch. 11 - A palindrome is a string that reads the same...Ch. 11 - A geometric progression is defined as the product...Ch. 11 - The Fibonacci sequence occurs frequently in nature...Ch. 11 - Prob. 4PPCh. 11 - Once upon a time in a kingdom far away, the king...Ch. 11 - There are n people in a room, where n is an...Ch. 11 - Prob. 7PPCh. 11 - Prob. 10PP
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