2021-04-15 자바 다중for문 (스마트인재개발원)

package day4;

public class ex33다중for문실습 {

	public static void main(String[] args) {
		int a = 1;
		int j = 0;
		int k = 0;

		
		for(int i=5; i>0; i--) {
			
			
			for(j=i; j>0; j--) {
				System.out.print(" ");
			}
			
			for(k=0; k<a; k++ ) {
				System.out.print("*");
				
			}
			
			System.out.println();
			
			a= a+2;
		}
		
		
		}

	

}
​

package day4;

public class ex32다중for문실습 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub

		
		for(int i=1; i<5; i++)
		{
			for(int j=1; j<=i; j++) {
				System.out.print("*");
				
			}
			System.out.println();	
			
		}
		
		for (int k=5; k>0; k--) {
			
			for(int i=0; i<k; i++) {
				System.out.print("*");
			}
				
			
			System.out.println();
		}
		
	}

}

package day4;

public class ex31다중for문 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		for (int i=5; i>0; i--) {
			
			for(int j=0; j<i; j++) {
				System.out.print("*");
			}
				
			
			System.out.println();
		}

	}

}