【西天取经】1、OOP面向对象(C#\JAVA)

   class Person
    {
        protected int Age = 10;
        public Person()
        {
            this.Output();
        }
        public virtual void Output()
        {
            Console.WriteLine("Person:" + this.Age);
        }
    }
    class Employee : Person
    {
        public Employee() : base()
        {
            base.Age = 20;
        }
        public override void Output()
        {
            Console.WriteLine("Employee:" + base.Age);
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            Employee employee = new Employee();
        }
    }

public class Person {
    protected int age = 10;
    public Person() {
        this.outPut();
    }
    public void outPut() {
        System.out.println("Person:" + this.age);
    }
}

public class Employee extends Person {
        public Employee() {
        super();
        super.age = 20;
    }
    @Override
    public void outPut() {
        System.out.println("Employee:" + super.age);
    }
}

public class CodeDemo {
    public static void main(String[] args) {
        new Employee();
    }
}

public static void main( String[] args ) {
    System.out.println("1" == "1");
    System.out.println("1".equals("1"));
    System.out.println(new String("1") == new String("1"));
    System.out.println(new String("1").equals(new String("1")));
    System.out.println("1" == new String("1"));
    System.out.println("1".equals(new String("1")));

    int data1 = 127;
    int data2 = 127;
    System.out.println(data1 == data2);

    Integer dataObject1 = 127;
    Integer dataObject2 = 127;
    System.out.println(dataObject1 == dataObject2);

    Integer dataObj1 = new Integer(127);
    Integer dataObj2 = new Integer(127);
    System.out.println(dataObj1 == dataObj2);

    Integer dataObject11 = Integer.valueOf(127);
    Integer dataObject12 = Integer.valueOf(127);
    System.out.println(dataObject11 == dataObject12);

    int int127 = 127;
    System.out.println(int127 == dataObj1);
    System.out.println(dataObj1.equals(int127));
    System.out.println(int127 == dataObject11);
    System.out.println(dataObject11.equals(int127));

    data1 = 128;
    data2 = 128;
    System.out.println(data1 == data2);

    dataObject1 = 128;
    dataObject2 = 128;
    System.out.println(dataObject1 == dataObject2);

    dataObj1 = new Integer(128);
    dataObj2 = new Integer(128);
    System.out.println(dataObj1 == dataObj2);

    dataObject11 = Integer.valueOf(128);
    dataObject12 = Integer.valueOf(128);
    System.out.println(dataObject11 == dataObject12);

    int int128 = 128;
    System.out.println(int128 == new Integer(128));
    System.out.println(new Integer(128).equals(int128));
    System.out.println(int128 == Integer.valueOf(128));
    System.out.println(Integer.valueOf(128).equals(int128));
}