Starting Out With Java: From Control Structures Through Objects, Student Value Edition (7th Edition)
7th Edition
ISBN: 9780134802817
Author: Tony Gaddis
Publisher: PEARSON
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Textbook Question
Chapter 15, Problem 2PC
isMember Method
Write a recursive boolean method named isMember. The method should search an array for a specified value, and return true if the value is found in the array, or false if the value is not found in the array. Demonstrate the method in a
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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 15 Solutions
Starting Out With Java: From Control Structures Through Objects, Student Value Edition (7th Edition)
Ch. 15.2 - It is said that a recursive algorithm has more...Ch. 15.2 - Prob. 15.2CPCh. 15.2 - What is a recursive case?Ch. 15.2 - What causes a recursive algorithm to stop calling...Ch. 15.2 - What is direct recursion? What is indirect...Ch. 15 - Prob. 1MCCh. 15 - This is the part of a problem that can be solved...Ch. 15 - This is the part of a problem that is solved with...Ch. 15 - This is when a method explicitly calls itself. a....Ch. 15 - Prob. 5MC
Ch. 15 - Prob. 6MCCh. 15 - True or False: An iterative algorithm will usually...Ch. 15 - True or False: Some problems can be solved through...Ch. 15 - True or False: It is not necessary to have a base...Ch. 15 - True or False: In the base case, a recursive...Ch. 15 - Find the error in the following program: public...Ch. 15 - Prob. 1AWCh. 15 - Prob. 2AWCh. 15 - What will the following program display? public...Ch. 15 - Prob. 4AWCh. 15 - What will the following program display? public...Ch. 15 - Convert the following iterative method to one that...Ch. 15 - Write an iterative version (using a loop instead...Ch. 15 - What is the difference between an iterative...Ch. 15 - What is a recursive algorithms base case? What is...Ch. 15 - What is the base case of each of the recursive...Ch. 15 - What type of recursive method do you think would...Ch. 15 - Which repetition approach is less efficient: a...Ch. 15 - When recursion is used to solve a problem, why...Ch. 15 - How is a problem usually reduced with a recursive...Ch. 15 - Prob. 1PCCh. 15 - isMember Method Write a recursive boolean method...Ch. 15 - String Reverser Write a recursive method that...Ch. 15 - maxElement Method Write a method named maxElement,...Ch. 15 - Palindrome Detector A palindrome is any word,...Ch. 15 - Character Counter Write a method that uses...Ch. 15 - Recursive Power Method Write a method that uses...Ch. 15 - Sum of Numbers Write a method that accepts an...Ch. 15 - Ackermarms Function Ackermanns function is a...Ch. 15 - Recursive Population Class In Programming...
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