how to make an objec tjava

1class Puppy() {
2	String name;
3	int age;
4  
5  
6 	Puppy(String puppy_name, int puppy_age) {
7    	name = puppy_name;
8   		age = puppy_age;
9 	}
10  
11  	public static void main(String[] args) {
12     	Puppy rex = new Puppy("rex",4); 
13    }
14  
15}