advogatohandler.java

里面包含了多个java的编程示例！而且举出初学者常常遇到的错误！

public class AdvogatoHandler {
    public Integer square(int number) {
        int result = number * number;
        System.out.println("Telling a client that " + result + " is the square of " + number);
        return result;
    }
}