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MindTapV2.0 for Farrell's Java Programming with 2021 Updates, 9th Edition [Instant Access], 1 term
9th Edition
ISBN: 9780357505540
Author: Farrell; Joyce
Publisher: Cengage Learning US
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Expert Solution & Answer
Chapter 8, Problem 2RQ
<PROGRAM-DESCRIPTION-ANSWER>
The user might reserve memory for it in the same statement when he declare an array.
Hence the correct option is “(B)”
</PROGRAM-DESCRIPTION-ANSWER>
Explanation of Solution
Array:
- The array is a collection to store the elements as a single unit.
- The elements in the array can be a primitive value like byte, short, int, long, float, double, and char. Also, the elements can be any object in java...
Expert Solution & Answer
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X482: Make Perfect Array
The mere presence of oversized arrays makes Priscilla Perfect sick to her stomach. Such wasted space is an imperfection she cannot bear. As her oldest and dearest friend this worries you greatly. If you
were a doctor you might try to find a cure to her sickness, but you are a programmer. A program must be written to alleviate her pain!
For any array given that has empty slots create a new array that is perfect. Unused slots will have a value of 0. All unused slots are guaranteed to be at the end of the array. There will never be unused
slots in the middle.
java.util.Arrays has been enabled.
Examples:
makePerfect({1, 1, 4, 5, 6, 0, e, e, 0}) -> {1, 1, 4, 5, 6}
makePerfect({1, 3, 4, 2, 6, 0, e, e, 0}) -> {1, 3, 4, 2, 6}
Program Number 2: Password Verifier Imagine you are developing a software package that requires users to enter their own passwords. Your software requires that user’s passwords meet the following criteria:
The password should be at least six characters long.
The password should contain at least one uppercase and at least one lowercase letter.
The password should have at least one digit.
Contains at least one @ in array.
Write a program that asks for a password and then verifies that it meets the stated criteria. If it doesn’t, the program should display a message telling the user why.
var newStaff =new Employee[3]; is used to:
Select one:
a.
Creates and initializes an Array with three objects of type Employee
b.
The statement is not valid in Java
c.
Create an Array to store two Employee objects
d.
Create an Array to store three objects of type Employee
Chapter 8 Solutions
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