JanlxLu_Question1

package com.sample;

class CCircle {
    @SuppressWarnings("unused")
    private static final double PI = 3.14159265358979323846;
    private double redius;

    public CCircle(double redius) {
        super();
        this.redius = redius;
    }

    public double getRedius() {
        return redius;
    }
}

public class App {
    public static void main(String[] args) {
        CCircle cir1 = new CCircle(1.0);
        CCircle cir2 = new CCircle(2.0);
        CCircle cir3 = null;
        cir3 = compare(cir1, cir2);
        System.out.println("cir3.getRedius() -> " + cir3.getRedius());
    }

    private static CCircle compare(CCircle cir1, CCircle cir2) {
        if (cir1.getRedius() > cir2.getRedius()) {
            return cir1;
        } else {
            return cir2;
        }
    }
}