미래지향적person1

[Java Programming] Class와 Object 배우기, 클래스 오브젝트

class Person{

String name;

String bloodType;

}

class Cat{

String name;

}

public class Application{

public static void main(String[] args){

Person person1 = new Person();

person1.name = "Jerry";

person1.bloodType = "A";

Person person2 = new Person();

person2.name = "Jordan";

person2.bloodType = "B";

Cat cat1 = new Cat();

cat1.name = "catty";

System.out.println(person1.name);

System.out.println(cat1.name);

}

}

[result]

jerry

catty

[Java Programming] 배열 배우기 _ 2, Array_2

public class Application{

public static void main(String[] args){

String[] fruits = {'Apple', 'orange', 'banana'};

System.out.println(fruits[0]);

for(String text : fruits){

    System.out.println(text);

}

}

}

[result]

Apple

Apple

orange

banana

Java 1차원 배열, 1D array 배우기

public class Application{

     public static void main(String[] args){
       String[] numbers = new String[4];   //declaration important

   numbers[0] = "Welcome";

   numbers[1] = "To";

   numbers[2] = "My";

   numbers[3] = "Channel";
   for(int i = 0; i < 4 ; i++){

System.out.println(numbers[i]);

   }

   int[] Hi = new int[4];

   Hi[0] = 1

   Hi[1] = 2

   Hi[2] = 22

   Hi[3] = 44

   for(int j = 0 ; j < 4 ; j++){

       System.out.println(Hi[j]);

   }

}

}

[result]

Welcome

To

My

Channel

1

2

22

44