Renewal·서른의 생활코딩

Ex8) Java OOP

February 16, 2012·1 min read

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class HumanInformation {

String name;

int age;

String address;

} // <- default constructor is created.

public class PrintInformation {

public static void main( String[] args ) {

// instance 생성. instance 명은 john

HumanInformation john = new HumanInformation();

// member variables에 값을 assignment.

john.name = "John"; //reference variable=John
// <- 디폴트로 만들어진 constructor string [classtype의 object(name) + memberfunction]

john.age = 30;

john.address = "New York";
// <- 디폴트로 만들어진 constructor string [classtype의 object(address) + memberfunction]

// instance 생성. instance 명은 john

HumanInformation tom = new HumanInformation();

tom.name = "Tom";

tom.age = 40;

tom.address = "Chicago";

System.out.println( "이름은 " + john.name + " 이고, 나이는 " + john.age + " 세, " +

john.address + "에 살고 있습니다." );

System.out.println( "이름은 " + tom.name + " 이고, 나이는 " + tom.age + " 세, " +

tom.address + "에 살고 있습니다." );

System.out.println( john.name.length());
//.를 통한 계층적 접근

System.out.println( john.name.indexOf('h'));
//.를 통한 계층적 접근 :번지값? 위치? 암튼, = 사이트address에서 co.kr부분과 유사

}

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This English version was translated by Claude.

Written by

Pleasant Charles — UI/UX researcher at AIT. Keeping notes on design, planning, and slow days here since 2010.