How to compare parameter values of two objects in Java?

Right now I'm working on a method for comparing the scores of athletes in the olympics. So far I've had little trouble, however now I've reached a point where i need to compare two objects (athletes) scores and I'm not sure how to do it. This is my code for the Olympic class:

// A program using the Athlete class
public class Olympics {
 public static void main(String args[]) {
 System.out.println("The leader is " + Athlete.leader() +
 ", with a score of " + Athlete.leadingScore());

 Athlete meryl = new Athlete("Meryl Davis", "U.S.");
 meryl.addScore(75);
 System.out.println(meryl);

 Athlete tessa = new Athlete("Tessa Virtue", "Canada");
 System.out.println(tessa);
 System.out.println(); // blank line

 tessa.addScore(50);
 System.out.println(tessa);
 System.out.println(meryl);
 System.out.println("The leader is " + Athlete.leader() +
 ", with a score of " + Athlete.leadingScore());
 System.out.println(); // blank line

 tessa.addScore(100);
 meryl.addScore(65);
 System.out.println(tessa);
 System.out.println(meryl);
 System.out.println("The leader is " + Athlete.leader() +
 ", with a score of " + Athlete.leadingScore());
 System.out.println(); // blank line

 tessa.addScore(20);
 System.out.println("Tessa's final score is " + tessa.getScore());

 meryl.move("France");
 System.out.println(meryl);
 } // end main
} // end class Olympics

And this is the constructor class "Athlete":

public class Athlete {
    private String name;
    private String country;
    protected int score;
    public static int leadScore;
    public Athlete(String athName, String athCountry) {
        this.name = athName;
        this.country = athCountry;
        score = 0;
        if (score < 1) {
            System.out.println("Score cannot be lower than 1");
        }
    }
    public int addScore(int athScore) {
        score += athScore;
        return score;
    }
    public static String leader(){
        //TODO
    }
    public static int leadingScore() {
       //MUST COMPARE BOTH ATHLETES
    }
    public int getScore(){
        return score;
    }
    public void move(String newCountry) {
        country = newCountry;
    }
    public String toString() {
        return name + ": " + "from " + country + ", current score " + score;
    }
}

So what I'm trying to do is have the program check Meryl's score compared to Tessa's and return that Athlete's score in leadingScore() and, using that athlete, return a leader(). Any help is appreciated! Thanks.