Answer Posted / aditi

Final method cannot be overridden by subclasses. This is
used to prevent unexpected behavior from a subclass
altering a method.

Example:

public class MyClass {
public final void myFinalMethod() {...}

Final Variable, it can only be assigned to once and only in
the constructor of class if variable is not a reference to
pther object.

Example:

public class Sphere {

public static final double PI = 3.141592653589793; //
this might as well be a constant
public final double radius;
public final double xpos;
public final double ypos;
public final double zpos;

Sphere(double x, double y, double z, double r) {
radius = r;
xpos = x;
ypos = y;
zpos = z;
}

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