Star

1.

*****
*****
*****
*****
*****

public class Star01 {

	public static void main(String[] args) {
		for (int i = 1; i <= 5; i++) {
			for (int j = 1; j <= 5; j++) {
				System.out.print("*");
			}
			System.out.println();
		}
	}
}



2. 대각선

*
 *
  *
   *
    *

public class Star02 {

	public static void main(String[] args) {
		for (int i = 1; i <= 5; i++) {
			for (int j = 1; j <= 5; j++) {
				if (i == j) {
					System.out.print("*");
				} else {
					System.out.print(" ");
				}
			}
			System.out.println();
		}
	}
}



3. 대각선2

        *
       *
      *
     *
    *

public class Star03 {

	public static void main(String[] args) {
		for (int i = 1; i <= 5; i++) {
			for (int j = 1; j <= 5; j++) {
				if (i == 6 - j) {
					System.out.print("*");
				} else {
					System.out.print(" ");
				}
			}
			System.out.println();
		}
	}
}



4. X자

*   *
 * *
  *
 * *
*   *

public class Star04 {

	public static void main(String[] args) {
		for (int i = 1; i <= 5; i++) {
			for (int j = 1; j <= 5; j++) {
				if (i == j || i == 6 - j) {
					System.out.print("*");
				} else {
					System.out.print(" ");
				}
			}
			System.out.println();
		}
	}
}



5.

*
**
***
****
*****

public class Star05 {

	public static void main(String[] args) {
		for (int i = 1; i <= 5; i++) {
			for (int j = 1; j <= 5; j++) {
				if (i >= j) {
					System.out.print("*");
				} else {
					System.out.print(" ");
				}
			}
			System.out.println();
		}
	}
}



6.

    *
   **
  ***
 ****
*****

public class Star06 {

	public static void main(String[] args) {
		for (int i = 1; i <= 5; i++) {
			for (int j = 1; j <= 5; j++) {
				if (i >= 6 - j) {
					System.out.print("*");
				} else {
					System.out.print(" ");
				}
			}
			System.out.println();
		}
	}
}



7.

******
*******
********
*********
**********

public class Star07 {

	public static void main(String[] args) {
		for (int i = 1; i <= 5; i++) {
			for (int j = 1; j <= i + 5; j++) {
				System.out.print("*");
			}
			System.out.println();
		}
	}
}



8.

    *
   ***
  *****
 *******
**********

public class Star08 {

	public static void main(String[] args) {
		for (int i = 1; i <= 5; i++) {
			for (int j = 1; j <= i + 4; j++) {
				if (i >= 6 - j) {
					System.out.print("*");
				} else {
					System.out.print(" ");
				}
			}
			System.out.println();
		}
	}
}



9.

*****
 ***
  *
 ***
*****

public class Star09 {

	public static void main(String[] args) {
		for (int i = 1; i <= 5; i++) {
			for (int j = 1; j <= 5; j++) {
				if ((i <= 6 - j && i <= j) || (i >= j && i >= 6 - j)) {
					System.out.print("*");
				} else {
					System.out.print(" ");
				}
			}
			System.out.println();
		}
	}
}



10.

*   *
** **
*****
** **
*   *

public class Star10 {

	public static void main(String[] args) {
		for (int i = 1; i <= 5; i++) {
			for (int j = 1; j <= 5; j++) {
				if (!((i < 6 - j && i < j) || (i > j && i > 6 - j))) {
					System.out.print("*");
				} else {
					System.out.print(" ");
				}
			}
			System.out.println();
		}
	}
}