用于循环编号模式:
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时间:2025-02-15 18:09:50 275浏览 收藏
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>数字模式(1to9):
package b1; public class npattern { public static void main(string[] args) { // npattern1(); // npattern2(); // npattern3(); // npatern4(); // npattern5(); // npattern6(); // npattern7(); // npattern8(); // npattern9(); npattern10(); } private static void npattern10() { for (int row = 1; row <= 9; row++) { for (int col = 1; col <= 9; col++) { if (col == 3 || col == 9 || col == 1) system.out.print("* "); else if (row == 1 && col >= 3 || row == 9 && col >= 3) system.out.print("* "); else system.out.print(" "); } system.out.println(); } } output: * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * private static void npattern9() { for (int row = 1; row <= 9; row++) { for (int col = 1; col <= 9; col++) { if (row == 9 || row == 1 || col == 9) system.out.print("* "); else if (row == 5 || col == 1 && row <= 5) system.out.print("* "); else system.out.print(" "); } system.out.println(); } } output: * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * private static void npattern8() { for (int row = 1; row <= 9; row++) { for (int col = 1; col <= 9; col++) { if (row == 5 || row == 1 || row == 9) system.out.print("* "); else if (col == 1 || col == 9) system.out.print("* "); else system.out.print(" "); } system.out.println(); } } output: * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * private static void npattern7() { for (int row = 1; row <= 9; row++) { for (int col = 1; col <= 9; col++) { if (row == 1 || row + col == 10) system.out.print("* "); else system.out.print(" "); } system.out.println(); } } output: * * * * * * * * * * * * * * * * * private static void npattern6() { for (int row = 1; row <= 9; row++) { for (int col = 1; col <= 9; col++) { if (row == 5 || row == 1 || row == 9) system.out.print("* "); else if (col == 1 || col == 9 && row >= 5) system.out.print("* "); else system.out.print(" "); } system.out.println(); } } output: * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * private static void npattern5() { for (int row = 1; row <= 9; row++) { for (int col = 1; col <= 9; col++) { if (row == 5 || row == 1 || row == 9) system.out.print("* "); else if (col == 1 && row <= 5 || col == 9 && row >= 5) system.out.print("* "); else system.out.print(" "); } system.out.println(); } } output: * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * private static void npatern4() { for (int row = 1; row <= 9; row++) { for (int col = 1; col <= 9; col++) { if (row == 5 || col == 5) system.out.print("* "); else if (row + col == 6 && row <= 5) system.out.print("* "); else system.out.print(" "); } system.out.println(); } } output: * * * * * * * * * * * * * * * * * * * * private static void npattern3() { for (int row = 1; row <= 9; row++) { for (int col = 1; col <= 9; col++) { if (row == 9 || row == 5 || row == 1) system.out.print("* "); else if (col == 9 && row <= 5 || col == 9 && row >= 5) system.out.print("* "); else system.out.print(" "); } system.out.println(); } } output: * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * private static void npattern2() { for (int row = 1; row <= 9; row++) { for (int col = 1; col <= 9; col++) { if (row == 9 || row == 5 || row == 1) system.out.print("* "); else if (col == 1 && row >= 5 || col == 9 && row <= 5) system.out.print("* "); else system.out.print(" "); } system.out.println(); } } output: * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * private static void npattern1() { for (int row = 1; row <= 9; row++) { for (int col = 1; col <= 9; col++) { if (row == 9 || col == 5 || col + row == 6 && row <= 4) system.out.print("* "); else system.out.print(" "); } system.out.println(); } } } output: * * * * * * * * * * * * * * * * * * * *
星数和数字模式:>
package B1; public class NSpattern { public static void main(String[] args) { pattern(); // pattern1(); // pattern2(); // pattern3(); // pattern4(); // pattern5(); // pattern6(); } private static void pattern() { for (int row = 1; row <= 5; row++) { for (int col = 1; col <= row; col++) System.out.print("* "); System.out.println(); } } output: * * * * * * * * * * * * * * * private static void pattern6() { for (int row = 5; row >= 1; row--) { for (int col = 1; col <= row; col++) System.out.print(row + col + " "); System.out.println(); } } output: 6 7 8 9 10 5 6 7 8 4 5 6 3 4 2 private static void pattern5() { for (int row = 5; row >= 1; row--) { for (int col = 1; col <= row; col++) System.out.print(row / col + " "); System.out.println(); } } output: 5 2 1 1 1 4 2 1 1 3 1 1 2 1 1 private static void pattern4() { for (int row = 5; row >= 1; row--) { for (int col = 1; col <= row; col++) System.out.print(row * col + " "); System.out.println(); } } output: 5 10 15 20 25 4 8 12 16 3 6 9 2 4 1 private static void pattern3() { for (int row = 5; row >= 1; row--) { for (int col = 1; col <= row; col++) System.out.print(col + " "); System.out.println(); } } output: 1 2 3 4 5 1 2 3 4 1 2 3 1 2 1 private static void pattern2() { for (int row = 5; row >= 1; row--) { for (int col = 1; col <= row; col++) System.out.print(row + " "); System.out.println(); } } output: 5 5 5 5 5 4 4 4 4 3 3 3 2 2 1 private static void pattern1() { for (int row = 5; row >= 1; row--) { for (int col = 1; col <= row; col++) System.out.print("* "); System.out.println(); } } } output: * * * * * * * * * * * * * * *
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