Question: please fill in code based on instructions given in code. this is java. /** * This class defines a 3D vector * */ public class
please fill in code based on instructions given in code. this is java.
/**
* This class defines a 3D vector
*
*/
public class Vector3D {
// define instance variables here
/**
* Creates the vector (0.0, 0.0, 0.0).
* This is the default constructor.
*/
public Vector3D() {
// insert your code here
}
/**
* Creates the vector (x, y, z).
* @param x is the x-component of the vector
* @param y is the y-component of the vector
* @param z is the z-component of the vector
*/
public Vector3D(double x, double y, double z) {
// insert your code here
}
/**
* Creates a vector with the same components as another vector.
* This is the copy constructor.
* @param other
* a vector to copy the components from
*/
public Vector3D(Vector3D other) {
// insert your code here
}
/**
* Returns the x component of the vector.
* @return the x component of the vector.
*/
public double getX() {
// insert your code here and change the return statement
return 0;
}
/**
* Sets the x component of the vector.
* @param x the new value of the x component.
*/
public void setX(double x) {
// insert your code here
}
/**
* Returns the y component of the vector.
* @return the y component of the vector.
*/
public double getY() {
// insert your code here and change the return statement
return 0;
}
/**
* Sets the y component of the vector.
* @param y the new value of the y component.
*/
public void setY(double y) {
// insert your code here
}
/**
* Returns the z component of the vector.
* @return the z component of the vector.
*/
public double getZ() {
// insert your code here and change the return statement
return 0;
}
/**
* Sets the z component of the vector.
* @param z the new value of the z component.
*/
public void setZ(double z) {
// insert your code here
}
/**
* Adds a vector to this vector and changes the components of this vector.
* To add, the counterpart components are added together.
* @param other is the vector that is added to this vector.
* @return this Vector3D object
*/
public Vector3D add(Vector3D other) {
// insert your code here and change the return statement
return new Vector3D();
}
/**
* Subtracts a vector from this vector and changes the components of this vector.
* To subtract, the counterpart components are subtracted.
* @param other is the vector that is subtracted from this vector.
* @return this Vector3D object
*/
public Vector3D subtract(Vector3D other) {
// insert your code here and change the return statement
return new Vector3D();
}
/**
* Multiplies this vector by a scalar.
* @param scalar is the scalar that is multiplied by this vector
* @return this vector after multiplication
*/
public Vector3D scalarMultiplication(double scalar) {
// insert your code here and change the return statement
return new Vector3D();
}
/**
* computes the DOT product of this vector and the given vector
* @param other is the given vector, whose DOT product with this vector is given
* @return the DOT product of this and the other vector.
*/
public double dotProduct(Vector3D other) {
// insert your code here and change the return statement
return 0;
}
/**
* Returns the magnitude of this vector.
* @return the magnitude of this vector.
*/
public double magnitude() {
// insert your code here and change the return statement
return 0;
}
/**
* Returns a string representation of the vector as [x, y, z],
* where x, y and z are teh components of teh vector.
* @return a string representation of the vector
*/
@Override
public String toString() {
// insert your code here and change the return statement
return "";
}
/**
* Determines if the difference between the magnitude of this vector and the other vector
* is smaller than the given threshold.
* @param other the other vector that is compared with this vector
* @param threshold a positive double, which shows the accepted magnitude difference between the two vectors
* @return true if the difference between magnitude of the
* two vectors is less than threshold and false otherwise
*/
public boolean equalTo(Vector3D other, double threshold) {
// insert your code here and change the return statement
return true;
}
}
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