Qual a diferença entre
public class Circle {
private double radius = 1.0;
private String color = "red";
public Circle() {
}
public Circle(double radius) {
this.radius = radius;
}
e entre
public class Circle { // Save as "Circle.java"
// private instance variable, not accessible from outside this class
private double radius;
private String color;
// Constructors (overloaded)
/** Constructs a Circle instance with default value for radius and color */
public Circle() { // 1st (default) constructor
radius = 1.0;
color = "red";
}
/** Constructs a Circle instance with the given radius and default color */
public Circle(double r) { // 2nd constructor
radius = r;
color = "red";
}
