[인프런] 객체, 참조값, 요소, 객체 배열

예제로 공부하는 Java 100 문제풀이 Part.3

 

class Person{
	// Field
	private String name;
	private int age;
	
	// Constructor
	Person(){}
	Person(String name, int age){
		this.name = name;
		this.age = age;
	}
	// Method
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public int getAge() {
		return age;
	}
	public void setAge(int age) {
		this.age = age;
	}
}

public class Java100_Ex36 {
	public static void main(String[] args) {
		// [1]: 객체 생성
		int[] ar1 = {1,2,3,4,5};
		char[] ar2 = {'A','B','C','D','E'};
		Person[] pa = new Person[5];
		pa[0] = new Person("홍길동", 20);
		pa[1] = new Person("박길동", 21);
		pa[2] = new Person("김길동", 22);
		pa[3] = new Person("장길동", 23);
		pa[4] = new Person("고길동", 24);
		
		// [2]: 출력
		for(int i = 0; i < ar1.length; i++) {
			System.out.print(ar2[i]+"\t");
		}
		System.out.println();
		
		for(int i = 0; i < pa.length; i++) {
//			System.out.print(pa[i]+"\t");
			System.out.print(pa[i].getName()+"\t");
		}
		System.out.println();
	}
}