[JAVA] 자바 별, 피라미드 찍기

public void method1() {
		/*
		 *    *
		 *    **
		 *    ***
		 *    ****
		 *    .
		 *    .
		 *    .
		 *    ***********
		 */
         
		int row = sc.nextInt(); 
        
		for (int i=0; i<row; i++) {
			for (int j=0; j<i+1; j++) {
				System.out.print("*");
			}
			System.out.println();
		}
	}

 

public void method2() {
		/*
		 *         *
		 *        **
		 *       ***
		 *      ****
		 *     *****
		 *     # 힌트 * 앞에 공백 출력하기.
		 */
		
		int row = sc.nextInt(); 
		
		for (int i=0; i<row; i++) {
			for (int j=0; j<row-1-i; j++) {
				System.out.print(" ");
			}
			for (int j=0; j<i+1; j++) {
				System.out.print("*");
			}
			System.out.println();
	
		}
	}

public void method3() {
		/*
		 *     *****
		 *      ****
		 *       ***
		 *        **
		 *         *
		 */
		int row = sc.nextInt(); 
		
		for (int i=0; i<row; i++) {
			for (int j=0; j<i+1; j++) {
				System.out.print(" ");
			}
			for (int j=row; j>i; j--) {
				System.out.print("*");
			}
			System.out.println();
		}
	}

	public void method4() {
		/*
		 *     *****
		 *     ****
		 *     ***
		 *     **
		 *     *
		 */
		int row = sc.nextInt();

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

	}

	public void method5() {
		/*
		 *         *
		 *        ***
		 *       *****
		 *      *******
		 *     *********
		 */
		//홀수 별 찍기
		int row = sc.nextInt();

		for (int i = 0; i < row; i++) {
			for (int j = 1; j < row - i; j++) {
				System.out.print(" ");
			}
			// * 한개시작으로 2개씩 증가 홀수
			for (int j = 0; j < i * 2 + 1; j++) {
				System.out.print("*");
			}
			System.out.println();
		}
	}

	public void method6() {
		/*
		 *      
		 *     *********
		 *      *******
		 *       *****
		 *        ***
		 *         *
		 */
		int row = sc.nextInt();

		for (int i = row; i > 0; i--) {
			for (int j = row - i; j > 0; j--) {
				System.out.print(" ");
			}
			for (int j = i * 2 - 1; j > 0; j--) {
				System.out.print("*");
			}
			System.out.println();
		}
	}

public void method7() {
		/*
		 *      
		 *     ******
		 *     *    *
		 *     *    * 
		 *     *    *
		 *     *    * 
		 *     ******
		 */
		
		int length = 5;
		for(int i=0; i<length; i++) {
			System.out.print("*");
		}
		System.out.println();
		for (int i=1; i<length-1; i++) {
			System.out.print(" ");
			for (int j=1;j<length-1; j++) {
				System.out.print(" ");
			}
			System.out.print("*");
			System.out.println();
		}
		for (int i=0;i<length; i++) {
			System.out.print("*");
		}

	}