Tutorial 48 Passing by Value

//Tutorial 48 Passing by Value
//a bit harder than simple but not too hard

//---------------------------------------------------------------------------------------------------------------------------------------
//Person.java
public class Person {
    private String name;


    public Person(String name) {
        this.name = name;
    }

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

    @Override
    public String toString() {
        return "Person [name=" + name + "]";
    }
}

//---------------------------------------------------------------------------------------------------------------------------------------
//App.java
public class App {

    public static void main(String[] args) {
        App app = new App();


        //==============================================

        int value = 7;
            System.out.println("1. Value is: " + value);

        app.show(value);

            System.out.println("4. Value is: " + value);

        //==============================================
        System.out.println();

        Person person = new Person("Bob");
            System.out.println("1. Person is: " + person);

        app.show(person);

        System.out.println("4. Person is: " + person);
    }

    public void show(int value) {
            System.out.println("2. Value is: " + value);

        value = 8;

            System.out.println("3. Value is: " + value);
    }

    public void show(Person person){ //method overloading, you can have the method of the same name as long as the have different stuff in the (  )
        System.out.println("2. Person is: " + person);

        person = new Person("mike");

        System.out.println("3. Person is: " + person);
    }
}

//---------------------------------------------------------------------------------------------------------------------------------------
/*Run time results:
1. Value is: 7
2. Value is: 7
3. Value is: 8
4. Value is: 7

1. Person is: Person [name=Bob]
2. Person is: Person [name=Bob]
3. Person is: Person [name=mike]
4. Person is: Person [name=Bob]
*/