EBK BIG JAVA: EARLY OBJECTS, INTERACTIV
6th Edition
ISBN: 8220102010314
Author: Horstmann
Publisher: YUZU
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Chapter 1.3, Problem 7SC
Program Plan Intro
Java language:
- The Java language is used to create general-purpose programs.
- The Java language is based on class, object oriented model.
- Java
program help the developer to design programs with less dependencies. The compiled java program can run any platform that supports java. - The java program is indented to allow the developer write once and run anywhere.
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2. Signed Integers
Unsigned binary numbers work for natural numbers, but many calculations use negative
numbers as well. To deal with this, a number of different methods have been used to represent
signed numbers, but we will focus on two's complement, as it is the standard solution for
representing signed integers.
2.1 Two's complement
• Most significant bit has a negative value, all others are positive. So, the value of an n-digit
-2
two's complement number can be written as: Σ2 2¹ di 2n-1 dn
• Otherwise exactly the same as unsigned integers.
i=0
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• A neat trick for flipping the sign of a two's complement number: flip all the bits (0 becomes 1,
or 1 becomes 0) and then add 1 to the least significant bit.
• Addition is exactly the same as with an unsigned number.
2.2 Exercises
For questions 1-3, answer each one for the case of a two's complement number and an
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Chapter 1 Solutions
EBK BIG JAVA: EARLY OBJECTS, INTERACTIV
Ch. 1.1 - Prob. 1SCCh. 1.1 - Prob. 2SCCh. 1.1 - What does a computer user need to know about...Ch. 1.2 - Prob. 4SCCh. 1.2 - Which part of the computer carries out arithmetic...Ch. 1.2 - A modern smartphone is a computer, comparable to a...Ch. 1.3 - Prob. 7SCCh. 1.3 - Prob. 8SCCh. 1.4 - Prob. 9SCCh. 1.4 - Prob. 10SC
Ch. 1.5 - How do you modify the HelloPrinter program to...Ch. 1.5 - How would you modify the HelloPrinter program to...Ch. 1.5 - Would the program continue to work if you replaced...Ch. 1.5 - What does the following set of statements...Ch. 1.5 - What do the following statements...Ch. 1.6 - Suppose you omit the “” characters around Hello,...Ch. 1.6 - Suppose you change println to Printline in the...Ch. 1.6 - Suppose you change main to hello in the...Ch. 1.6 - When you used your computer, you may have...Ch. 1.6 - Prob. 20SCCh. 1.7 - Prob. 21SCCh. 1.7 - Prob. 22SCCh. 1.7 - Prob. 23SCCh. 1.7 - Prob. 24SCCh. 1.7 - Suppose you have a random sequence of black and...Ch. 1.7 - Prob. 26SCCh. 1 - Prob. 1RECh. 1 - Which parts of a computer can store program code?...Ch. 1 - Which parts of a computer serve to give...Ch. 1 - A toaster is a single-function device, but a...Ch. 1 - Prob. 5RECh. 1 - Prob. 6RECh. 1 - What does this program print?
public class...Ch. 1 - What does this program print? Pay close attention...Ch. 1 - Prob. 9RECh. 1 - Write three versions of the HelloPrinter.java...Ch. 1 - How do you discover syntax errors? How do you...Ch. 1 - Prob. 12RECh. 1 - Prob. 13RECh. 1 - Prob. 14RECh. 1 - Prob. 15RECh. 1 - Prob. 16RECh. 1 - Prob. 17RECh. 1 - Write pseudocode for an algorithm that describes...Ch. 1 - Prob. 19RECh. 1 - Write a program that prints a greeting of your...Ch. 1 - Write a program that prints the sum of the first...Ch. 1 - Write a program that prints the product of the...Ch. 1 - Write a program that prints the balance of an...Ch. 1 - Prob. 5PECh. 1 - Write a program that prints your name in large...Ch. 1 - Write a program that prints your name in Morse...Ch. 1 - Prob. 8PECh. 1 - Prob. 9PECh. 1 - Prob. 10PECh. 1 - Write a program that prints an animal speaking a...Ch. 1 - Prob. 12PECh. 1 - Prob. 13PECh. 1 - Prob. 14PECh. 1 - Prob. 15PECh. 1 - Prob. 16PECh. 1 - Prob. 17PECh. 1 - Prob. 18PECh. 1 - Prob. 19PECh. 1 - Prob. 20PECh. 1 - Prob. 21PECh. 1 - You want to decide whether you should drive your...Ch. 1 - Prob. 2PPCh. 1 - Prob. 3PPCh. 1 - Imagine that you and a number of friends go to a...Ch. 1 - Prob. 5PPCh. 1 - Write an algorithm that allows a robot to mow a...Ch. 1 - Consider a robot that is placed in a room. The...Ch. 1 - Consider a robot that has been placed in a maze....Ch. 1 - Prob. 9PPCh. 1 - Prob. 10PPCh. 1 - Prob. 11PP
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