public class User implements Cloneable{
 private int age = (int)(Math.random()*100);
 private int growth; 
private int weight; 
private String name;
public User(String name){
    this.name = name;
}
public int hashCode(){
    final int prime = 55;
    int result = 1;
    result = prime * result + growth;
    result = prime * result + weight;
    return result;
}
public User clone() throws CloneNotSupportedException{ 
    return (User) super.clone();
}
public boolean equals(Object obj){
    if(this == obj){
        return true;}
    if(obj == null){
        return false;
    }
    if(getClass() == obj.getClass()){
        return false;
    }
    User other = (User)obj;
    if(growth != other.growth){
        return false;
    }
    if(weight != other.weight){
        return false;
    }
    if(name != other.name){
        return false;
    }
    if(age != other.age){
        return false;
    }
    return true;
}
public int getAge(){
    return age;
}
public int getGrowth(){
    return growth;
}
public void setGrowthWeight(int growth, int weight){
    this.growth = growth;
    this.weight = weight;
}
public int getWeight(){
    return weight;
}
public String getName(){
    return name;
}
public static void main(String[] args) {        
    Map<User, Integer> map = new HashMap<User, Integer>();
    User u = new User("Emily");
    u.setGrowthWeight(165, 60);
    User u1 = new User("Emma");
    u1.setGrowthWeight(170, 65);
    User u2 = new User("Michael");
    u2.setGrowthWeight(180, 80);
    User u3 = new User("Andrew");
    u3.setGrowthWeight(180, 70);
    User u4 = new User("Isabella");
    u4.setGrowthWeight(158, 46);
    User u5 = new User("John");
    u.setGrowthWeight(164, 62);
    User u6 = new User("Samuel");
    u6.setGrowthWeight(184, 83);
    User u7 = new User("Anna");
    u7.setGrowthWeight(165, 53);
    User u8 = new User("Jasmine");
    u8.setGrowthWeight(168, 60);
    User u9 = new User("Robert");
    u9.setGrowthWeight(193, 78);
    map.put(u, 1);
    map.put(u1, 2);
    map.put(u2, 3);
    map.put(u3, 4);
    map.put(u4, 5);
    map.put(u5, 6);
    map.put(u6, 7);
    map.put(u7, 8);
    map.put(u8, 9);
    map.put(u9, 10);
    for(Entry<User, Integer> entry : map.entrySet()){
        System.out.println(entry.getKey() + " " + entry.getValue());
    }           
}
}

public class User{
	static int age = (int)(Math.random()*100);
	final int growth;
	final int weight;
	final String name;
	
	public static User newInstance(User u) { 
	    return new User(u.getName(), u.getGrowth(), u.getWeight()); 
	} 

	public User(String name, int growth, int weight){
		this.name = name;
		this.growth = growth;
		this.weight = weight;
		this.age = age;
	}
	
	public int hashCode(){
		final int prime = 31;
		int result = 1;
		result = prime * result + growth;
		result = prime * result + weight;
		return result;
	}
	
	public boolean equals(Object obj){
		if(this == obj){
			return true;}
		if(obj == null){
			return false;
		}
		if(getClass() == obj.getClass()){
			return false;
		}
		User other = (User)obj;
		if(growth != other.growth){
			return false;
		}
		if(weight != other.weight){
			return false;
		}
		if(name != other.name){
			return false;
		}
		if(age != other.age){
			return false;
		}
		return true;
	}
			
	public int getAge(){
		return age;
	}
	
	public int getGrowth(){
		return growth;
	}
	
	public int getWeight(){
		return weight;
	}
	
	public String getName(){
		return name;
	}
	
	public static void main(String[] args) {        
	    Map<User, Integer> map = new HashMap<User, Integer>();
	    User u = new User("Emily", 165, 60);
	    User u1 = new User("Emma",70, 65);
	    User u2 = new User("Michael", 180, 80);
	    User u3 = new User("Andrew", 180, 70);
	    User u4 = new User("Isabella", 158, 46);
	    User u5 = new User("John", 164, 62);
	    User u6 = new User("Samuel", 184, 83);
	    User u7 = new User("Anna", 165, 53);
	    User u8 = new User("Jasmine", 168, 60);
	    User u9 = new User("Robert", 193, 78);
	    map.put(u, 1);
	    map.put(u1, 2);
	    map.put(u2, 3);
	    map.put(u3, 4);
	    map.put(u4, 5);
	    map.put(u5, 6);
	    map.put(u6, 7);
	    map.put(u7, 8);
	    map.put(u8, 9);
	    map.put(u9, 10);
	    for(Entry<User, Integer> entry : map.entrySet()){
	        System.out.println(entry.getKey() + " " + entry.getValue());
	    }    
	}
}