Tasj course lesson - 6-1 - Java Class Toolkit - Static and Non-static members.txt

tasj-course-lesson-6-1-java-class-toolkit-static-non-static.java

/**************
 * Human.java *
 **************/

package com.tasj.lesson6.class_toolkit.entities;

public class Human {

    public static int canDriveAge = 16;

    private String name;
    private String lastName;
    private int age;

    public int getAge(){
        return age;
    }

    public String say(String text){
        return String.format("%s %s says: '%s'", name, lastName, text);
    }

    public static boolean canHumanDrive(Human human){
        return human.getAge() >= Human.canDriveAge;
    }

    public String getName() {
        return this.name;
    }

    public String getLastName() {
        return this.lastName;
    }

    public void setName(String name) {
        this.name = name;
    }

    public void setLastName(String lastName) {
        this.lastName = lastName;
    }

    public void setAge(int age) {
        this.age = age;
    }
}


/******************
 * HumanTest.java *
 ******************/
 
HumanTest {

    @Test
    public void testHuman(){
        Ukrainian ukrainian = new Ukrainian();
        ukrainian.setAge(10);
        assertEquals(10, ukrainian.getAge());

//        assertEquals(canDriveAge, 16);
        assertEquals(Human.canDriveAge, 16);

//        Human.name = "Vasya";        => COMPILE ERROR
//        Human.lastName = "Pupkin";   => COMPILE ERROR


        Human vasya = new Human();
        vasya.setName("Vasya");
        vasya.setLastName("Pupkin");
        vasya.setAge(13);
        assertEquals(vasya.canDriveAge, 16);
        assertEquals(false, canHumanDrive(vasya));


        Human sasha = new Human();
        sasha.setName("Sasha");
        sasha.setLastName("Sidorov");
        sasha.setAge(20);
        assertEquals(sasha.canDriveAge, 16);
        assertEquals(true, canHumanDrive(sasha));


        Human.canDriveAge = 15;
        assertEquals(vasya.canDriveAge, 15);
        assertEquals(sasha.canDriveAge, 15);

        assertNotEquals(vasya.getName(), sasha.getName());

        assertEquals(vasya.say("kuku"), "Vasya Pupkin says: 'kuku'");
        assertEquals(vasya.say("kuku2"), "Vasya Pupkin says: 'kuku2'");
        assertEquals(vasya.say("kuku3"), "Vasya Pupkin says: 'kuku3'");
        assertEquals(vasya.say("kuku4"), "Vasya Pupkin says: 'kuku4'");

    }
}