[JAVA] 5x5 사각형(1~25)

package javalesson.com.javalesson.ch01test;

public class T02RectBasic {

public static void main(String[] args) {

int array[][] = new int[5][5];

int row, col;

int i=1;

for(row=0;row<5;row++){

for(col=0;col<5;col++){

array[row][col]=i++;

}

}

                //출력

for(row=0;row<5;row++){

for(col=0;col<5;col++){

System.out.printf("%3d",array[row][col]); //글자수를 3개로 배열을 출력

}

System.out.println();

}

}

}

package javalesson.com.javalesson.ch01test;

public class T02RectBasic {

public static void main(String[] args) {

                Scanner scan = new Scanner(System.in);

                int deg;

while(true){

try{

System.out.print("사각형의 차수를 입력하세요. : ");

deg = scan.nextInt();

break;

}catch(InputMismatchException e){

System.out.println("숫자만 입력해야 합니다.");

}

}

scan.close();

int array[][] = new int[deg][deg];

int row, col;

int i=1;

for(row=0;row<deg;row++){

for(col=0;col<deg;col++){

array[row][col]=i++;

}

}

                //출력

for(row=0;row<deg;row++){

for(col=0;col<deg;col++){

System.out.printf("%3d",array[row][col]); //글자수를 3개로 배열을 출력

}

System.out.println();

}

}

}