Analyze the following code.
// Program 1:
public class Test {
public static void main(String[] args) {
| | Circle circle1 = new Circle(); |
| | Circle circle2 = new Circle(); |
| | System.out.println(circle1.equals(circle2)); |
}
}
class Circle {
double radius;
public boolean equals(Circle circle) {
| | return this.radius == circle.radius; |
}
}
// Program 2:
public class Test {
public static void main(String[] args) {
| | Circle circle1 = new Circle(); |
| | Circle circle2 = new Circle(); |
| | System.out.println(circle1.equals(circle2)); |
}
}
class Circle {
double radius;
public boolean equals(Object circle) {
| | ((Circle)circle).radius; |
}
}
◦ Program 1 displays true and Program 2 displays true
◦ Program 1 displays false and Program 2 displays true
◦ Program 1 displays true and Program 2 displays false
◦ Program 1 displays false and Program 2 displays false
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