Question

Whenever I try to run this program a window appears with Class not Found in Main project. Thanks in Advance.

*
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* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package Assignment10;

/**
*
* @author goodf
*/
public class Assignment10{

public class SimpleGeometricObject {
private String color = "white";
private boolean filled;
private java.util.Date dateCreated;
  
/** Construct a default geometric object */
public SimpleGeometricObject() {
dateCreated = new java.util.Date();
}

/** Construct a geometric object with the specified color
* and filled value */
public SimpleGeometricObject(String color, boolean filled) {
dateCreated = new java.util.Date();
this.color = color;
this.filled = filled;
}

/** Return color */
public String getColor() {
return color;
}

/** Set a new color */
public void setColor(String color) {
this.color = color;
}

/** 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;
}
  
/** Return a string representation of this object */
public String toString() {
return "created on " + dateCreated + "\ncolor: " + color +
" and filled: " + filled;
}
}

  

public static class Square extends SimpleGeometricObject {
private double side;
public Square()
{
side=0;
}
public Square(double s){
super();
side=s;
}
public double getSide(){
return side;
}
public void setSide(double s){
side=s;
}
public double getArea(){
return (side*side);
}
public double getPerimeter(){
return(4*side);   
}
  
  

  
  
  
public static void Assignment10(String[] args) {
Square rectangle = new Square();
rectangle.setSide(30);
rectangle.setColor("White");
rectangle.setFilled(true);
System.out.println("Color: " + rectangle.getColor() + "Date Created: " + rectangle.getDateCreated() + "Filled: " + rectangle.isFilled()+
"Area: "+rectangle.getArea()+"Perimeter: "+rectangle.getPerimeter());
  
  
// TODO code application logic here
}
}

Answer 1

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The corrected code is given below:

Assignment10.java

class SimpleGeometricObject {

private String color = "white";

private boolean filled;

private java.util.Date dateCreated;

  

/** Construct a default geometric object */

public SimpleGeometricObject() {

dateCreated = new java.util.Date();

}

/** Construct a geometric object with the specified color

* and filled value */

public SimpleGeometricObject(String color, boolean filled) {

dateCreated = new java.util.Date();

this.color = color;

this.filled = filled;

}

/** Return color */

public String getColor() {

return color;

}

/** Set a new color */

public void setColor(String color) {

this.color = color;

}

/** 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;

}

  

/** Return a string representation of this object */

public String toString() {

return "created on " + dateCreated + "\n color: " + color +

" and filled: " + filled;

}

}

  

class Square extends SimpleGeometricObject {

private double side;

public Square()

{

side=0;

}

public Square(double s){

super();

side=s;

}

public double getSide(){

return side;

}

public void setSide(double s){

side=s;

}

public double getArea(){

return (side*side);

}

public double getPerimeter(){

return(4*side);   

}

}

public class Assignment10{

public static void main(String[] args) {

Square rectangle = new Square();

rectangle.setSide(30);

rectangle.setColor("White");

rectangle.setFilled(true);

System.out.println("Color: " + rectangle.getColor() + " Date Created: " + rectangle.getDateCreated() + " Filled: " + rectangle.isFilled()+

" Area: "+rectangle.getArea()+" Perimeter: "+rectangle.getPerimeter());

  

// TODO code application logic here

}

}

Code Snippet:

Note: There can be only one public class in a java file with the same as file name.

main function was missing

Output:

The code is running proprly now. I have attached the output