BIG JAVA: LATE OBJECTS
BIG JAVA: LATE OBJECTS
2nd Edition
ISBN: 9781119626220
Author: Horstmann
Publisher: WILEY
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Chapter 9, Problem 15RE

Explanation of Solution

Computation of (a-b):

  • It is given that the value assigned to a is “2000000000” and the value assigned to b is “-a”, which is “-2000000000”.
  • Whenever the result of an arithmetic operation is out of range, it returns an overflow, which can be stored in the result variable.
  • In order to store the result, the value is wrapped around and is assigned to the result variable...

Explanation of Solution

Computation of (b-a):

  • It is given that the value assigned to a is “2000000000” and the value assigned to b is “-a”, which is “-2000000000”.
  • Whenever the result of an arithmetic operation is out of range, it returns an overflow, which can be stored in the result variable.
  • In order to store the result, the value is wrapped around and is assigned to the result variable...

Explanation of Solution

Result of Integer.compare(a, b):

  • The method Integer.compare(a, b) compares two test values for the order in which they must come.
  • If the variable on the left side is less than the right side, then “-1” is returned.
  • Otherwise, if the variable on the left side is greater than the right side, then “1” is returned...

Explanation of Solution

Result of Integer.compare(b, a):

  • The method Integer.compare(b, a) compares two test values for the order in which they must come.
  • If the variable on the left side is less than the right side, then “-1” is returned.
  • Otherwise, if the variable on the left side is greater than the right side, then “1” is returned...

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Using the notation

you can select multipy options
For each of the following, decide whether the claim is True or False and select the True ones: Suppose we discover that the 3SAT can be solved in worst-case cubic time. Then it would mean that all problems in NP can also be solved in cubic time. If a problem can be solved using Dynamic Programming, then it is not NP-complete. Suppose X and Y are two NP-complete problems. Then, there must be a polynomial-time reduction from X to Y and also one from Y to X.

Chapter 9 Solutions

BIG JAVA: LATE OBJECTS

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