Do com..
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Related questions
Question
Do com.. Plete.
![* File Edit Selection View Go
Terminal Help
• PSP4.java - Visual Studio Code
Run
O PSP4.java 2
C> Users > nash1 > Desktop > ITSC1212 > O PSP4.java > s PSP4 > O solveQuadratic(double, double, double)
public class PSP4 {
private String name;
1
public PSP4(String name){
this.name - name;
3
4
}
6.
Run | Debug
public static void main(String[] args) {
PSP4 p - new PSP4("Chris Nash"); // Task 5: replace your name here
7.
9.
10
A
// Task 2: Create solution1 variable (need to be correct data
// type) and assign with the returned value of solveQuadratic
// method with inputs of 1, -4, 4 using p. Then print out a message
// "Solution for the quadratic equaltion of (1, -4, 4) is [solution1]"
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12
13
14
15
16
17
// Task 3: Re-try task 2 with different values (1, -9, 9)
18
19
// Complete task 4 for this following line. This should print out the
// description instead of address memory
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System.out.println(p);
}
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24
public double solveQuadratic(double a, double b, double c)k
// Task 1: ax^2 + bx + C = 0 can have 0, 1, or 2 solutions
// depending on (a, b, c) values. In this practice, we follow
// an instruction to get a solution of the equation assuming
// the equation has at least 1 solution. The step (you need to
// choose correct data type for the following variables):
25
26
27
28
29
30
31
//
1. Compute delta which equals square root of (b^2
4ac)
32
//
Hint: Check out methods in Math for square root
math.sqrt(pow(b,2)- 4*a*c);
2. Compute the solution equals (-b + delta) divided by 2a
This is the largest solution of the 2 solutions
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34
//
35
//
36
37
//
3. Return the solution
38
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return 0.0;
// return e for compilation now, delete when done
40
41
// Task 4: describe PSP4 using tostring method, so we don't print
// out the address. Please describe in your word with the name field!
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//
Hint: Use tostring method
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48](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F32876d2f-3120-4022-8ad7-1889113c2b9f%2Fc6741cdb-d39b-4791-b63c-2583b68c3b97%2F35t93sf_processed.jpeg&w=3840&q=75)
Transcribed Image Text:* File Edit Selection View Go
Terminal Help
• PSP4.java - Visual Studio Code
Run
O PSP4.java 2
C> Users > nash1 > Desktop > ITSC1212 > O PSP4.java > s PSP4 > O solveQuadratic(double, double, double)
public class PSP4 {
private String name;
1
public PSP4(String name){
this.name - name;
3
4
}
6.
Run | Debug
public static void main(String[] args) {
PSP4 p - new PSP4("Chris Nash"); // Task 5: replace your name here
7.
9.
10
A
// Task 2: Create solution1 variable (need to be correct data
// type) and assign with the returned value of solveQuadratic
// method with inputs of 1, -4, 4 using p. Then print out a message
// "Solution for the quadratic equaltion of (1, -4, 4) is [solution1]"
11
12
13
14
15
16
17
// Task 3: Re-try task 2 with different values (1, -9, 9)
18
19
// Complete task 4 for this following line. This should print out the
// description instead of address memory
20
21
System.out.println(p);
}
22
23
24
public double solveQuadratic(double a, double b, double c)k
// Task 1: ax^2 + bx + C = 0 can have 0, 1, or 2 solutions
// depending on (a, b, c) values. In this practice, we follow
// an instruction to get a solution of the equation assuming
// the equation has at least 1 solution. The step (you need to
// choose correct data type for the following variables):
25
26
27
28
29
30
31
//
1. Compute delta which equals square root of (b^2
4ac)
32
//
Hint: Check out methods in Math for square root
math.sqrt(pow(b,2)- 4*a*c);
2. Compute the solution equals (-b + delta) divided by 2a
This is the largest solution of the 2 solutions
22
33
34
//
35
//
36
37
//
3. Return the solution
38
39
return 0.0;
// return e for compilation now, delete when done
40
41
// Task 4: describe PSP4 using tostring method, so we don't print
// out the address. Please describe in your word with the name field!
42
43
44
//
Hint: Use tostring method
45
46
47
48
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