package org.lambda.query.extensions.tests; public class Person { public static class Address { } public static Person Null = new Person("", 0, 0); private int year; private double grade; private String name; public Person(String name, int year, double grade) { this.name = name; this.year = year; this.grade = grade; } public int getYear() { return year; } public double getGradePoint() { return grade; } public String getName() { return name; } public String getLastName() { return name; } @Override public String toString() { return name + " [year=" + year + ", grade=" + grade + "]"; } public int getAge() { return 0; } public Address getAddress() { return null; } }