4. control - (2) StarDemo (별 출력)

package control;
 
public class StarDemo2 {
    public static void main(String[] args) {
        /*
        
        **                i=1 => 2
        ****            i=2 => 4
        ******            i=3 => 6
        ********        i=4 => 8
        **********        i=5 => 10
        */
        
        for (int i=1; i<=5; i++) {
            for(int j=1; j<=i*2 ;j++) {
                System.out.print("*");
            }
            System.out.println();
        }
    }
}