Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question
we are going to create a new subclass of the SimpleGeometricObject class, named
Triangle.
 
Create a Triangle class that extends the SimpleGeometricObject class in Eclipse, following
the below UML diagram. (seperate code) 
 
Use the following formula to calculate the area of a triangle:
A = 1/2 × base × height
 
the SimpleGeometricObject code is below in link and picture 
 
https://liveexample.pearsoncmg.com/html/SimpleGeometricObject.html
 
the ending part of the code that didnt appear in the picture 
 
}
/** Return a string representation of this object */
public String toString() {
return "created on " + dateCreated + "\ncolor: " + color +
" and filled: " + filled;
}
}
Lab 5: Inheritance
← → C
public class SimpleGeometricObject {
private String color = "white";
private boolean filled;
private java.util.Date dateCreated;
X
liveexample.pearsoncmg.com/html/SimpleGeometricObject.html
/** Construct a default geometric object */
public SimpleGeometricObject() {
dateCreated = new java.util.Date();
dateCreated
this.color = color;
this.filled = filled;
}
/** Construct a geometric object with the specified color
* and filled value */
public SimpleGeometricObject(String color, boolean filled) {
Introduction to Java Programmin X b Home | bartleby
}
/** Return color */
public String getColor() {
return color;
new java.util.Date();
}
/** Set a new color */
public void setColor (String color) {
this.color = color;
34°F
Cloudy
}
/** Return filled. Since filled is boolean,
its get method is named isFilled */
public boolean isFilled() {
return filled;
}
/** Set a new filled */
public void setFilled (boolean filled) {
this.filled = filled;
}
/** Get dateCreated */
public java.util.Date getDateCreated() {
return dateCreated;
}
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Transcribed Image Text:Lab 5: Inheritance ← → C public class SimpleGeometricObject { private String color = "white"; private boolean filled; private java.util.Date dateCreated; X liveexample.pearsoncmg.com/html/SimpleGeometricObject.html /** Construct a default geometric object */ public SimpleGeometricObject() { dateCreated = new java.util.Date(); dateCreated this.color = color; this.filled = filled; } /** Construct a geometric object with the specified color * and filled value */ public SimpleGeometricObject(String color, boolean filled) { Introduction to Java Programmin X b Home | bartleby } /** Return color */ public String getColor() { return color; new java.util.Date(); } /** Set a new color */ public void setColor (String color) { this.color = color; 34°F Cloudy } /** Return filled. Since filled is boolean, its get method is named isFilled */ public boolean isFilled() { return filled; } /** Set a new filled */ public void setFilled (boolean filled) { this.filled = filled; } /** Get dateCreated */ public java.util.Date getDateCreated() { return dateCreated; } ▬▬ ■ Q Search x + a Pa N 1x O 0 5:43 PM 3/21/2023 X :
+ base:double = 5
+ height:double = 10
Triangle
Page
TASK 1: Create a Triangle class that extends the Simple GeometricObject class in Eclipse, following
the below UML diagram.
+ Triangle()
+ Triangle(newBase: double, newHeight: double)
+ getArea(): double
+ setBase(): void
+ setHeight(): void
+ getBase(): double
+ getHeight(): double
1
of 3
ZOOM
+
*k
expand button
Transcribed Image Text:+ base:double = 5 + height:double = 10 Triangle Page TASK 1: Create a Triangle class that extends the Simple GeometricObject class in Eclipse, following the below UML diagram. + Triangle() + Triangle(newBase: double, newHeight: double) + getArea(): double + setBase(): void + setHeight(): void + getBase(): double + getHeight(): double 1 of 3 ZOOM + *k
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