new 연산자로 배열 생성

public class ArrrayCrreateByNewExample {

	public static void main(String[] args) {
		int[]arr1=new int[3];
		for (int i = 0; i < arr1.length; i++) {
			System.out.println("arr1["+i+"]: "+arr1[i]);//초기값 확인
		}
		arr1[0]=10;
		arr1[1]=20;
		arr1[2]=30;
		for (int i = 0; i < arr1.length; i++) {
			System.out.println("arr1["+i+"]: "+arr1[i]);//값대입 확인
		}
		System.out.println();
		
		double[]arr2=new double[3];
		for (int i = 0; i < arr2.length; i++) {
			System.out.println("arr2["+i+"]: "+arr2[i]);
		}
		arr2[0]=0.1;
		arr2[1]=0.2;
		arr2[2]=0.3;
		for (int i = 0; i < arr2.length; i++) {
			System.out.println("arr2["+i+"]: "+arr2[i]);
		}
		System.out.println();
		
		String[]arr3=new String[3];
		for (int i = 0; i < arr3.length; i++) {
			System.out.println("arr3["+i+"]: "+arr3[i]);
		}
		arr3[0]="1월";
		arr3[1]="2월";
		arr3[2]="3월";
		for (int i = 0; i < arr3.length; i++) {
			System.out.println("arr3["+i+"]: "+arr3[i]);
		}
	}

}