[Java]for문을 이용한 달력(캘린더) 출력

public class Calender_For {

public static void main(String[] args) {

// TODO Auto-generated method stub

int[][] test01 = new int[12][31];

for(int i = 0; i < 12; i++) { //월

if(i+1 == 1 || i+1 == 3 || i+1 == 5 || i+1 == 7 || i+1 == 8 || i+1 == 10 || i+1 == 12) {

for(int j = 0; j < 31; j++) { //일

test01[i][j] = j+1;

}

}else if(i+1 == 4 || i+1 == 6 || i+1 ==  9 || i+1 == 11) {

for(int j = 0; j < 30; j++) { //일

test01[i][j] = j+1;

}

}else{

for(int j = 0; j < 29; j++) { //일

test01[i][j] = j+1;

}

}//end if

}//end for

for(int i = 0; i < 12; i++) {

if(i+1 == 1 || i+1 == 3 || i+1 == 5 || i+1 == 7 || i+1 == 8 || i+1 == 10 || i+1 == 12) {

System.out.println(i + 1 +" 월 " );

System.out.println("월\t" + "화\t" + "수\t" + "목\t" + "금\t"+"토\t"+"일\t");

for(int j = 0; j < 31; j++) { //일

System.out.print(test01[i][j]);

System.out.print('\t');

if((j+1)%7 == 0) {

System.out.println();

}

}

System.out.println();

System.out.println();

}else if(i+1 == 4 || i+1 == 6 || i+1 ==  9 || i+1 == 11) {

System.out.println(i+1 +" 월 " );

System.out.println("월\t" + "화\t" + "수\t" + "목\t" + "금\t"+"토\t"+"일\t");

for(int j = 0; j < 30; j++) { //일

System.out.print(test01[i][j]);

System.out.print('\t');

if((j+1)%7 == 0) {

System.out.println();

}

}

System.out.println();

System.out.println();

}else{

System.out.println(i+1 +" 월 " );

System.out.println("월\t" + "화\t" + "수\t" + "목\t" + "금\t"+"토\t"+"일\t");

for(int j = 0; j < 29; j++) { //일

System.out.print(test01[i][j]);

System.out.print('\t');

if((j+1)%7 == 0) {

System.out.println();

}

}

System.out.println();

System.out.println();

}//end if

}

}

}