package basic.star;

public class StarUbin5_2 implements StarInterface{

@Override

public void StarPrint() {

long beforeTime = System.currentTimeMillis(); //코드 실행 전에 시간 받아오기

/*

int a=4;

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

for(int j=a; j>0; j--){

if(j<=i+1)

System.out.printf("*");

else

System.out.printf(" ");

}

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

System.out.printf("*");

}

System.out.println();

}

*/

int a=4;

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

if(i==a-1){

for(int j=0;j<(a*2)-1;j++){

System.out.print("*");

}

}

else{

for(int j=a; j>0; j--){

if(j==i+1) //before if(j<=i+1)

System.out.printf("*");

else

System.out.printf(" ");

}

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

if(j==i-1) //before System.out.printf("*");

System.out.printf("*");

else

System.out.print(" ");

}

System.out.println();

}

}

System.out.println();

long afterTime = System.currentTimeMillis(); // 코드 실행 후에 시간 받아오기

long secDiffTime = (afterTime - beforeTime); //두 시간에 차 계산

System.out.println("시간차이(m) : "+secDiffTime);

}

}