Pyramide und Muster erstellen. Java

#java #Pyramide

Programm zum Drucken einer halben Pyramide mit *

Java

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

Output result

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

Programm zum Drucken einer halben Pyramide mit Zahlen

Java

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

Output result

Programm zum Drucken einer halben Pyramide mit Alphabeten

Java

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public class Main {
​
  public static void main(String[] args) {
    char last = 'E', alphabet = 'A';
​
    for (int i = 1; i <= (last - 'A' + 1); ++i) {
      for (int j = 1; j <= i; ++j) {
        System.out.print(alphabet + " ");
      }
      ++alphabet;
​
      System.out.println();
    }
  }
}

Output result

A
B B
C C C
D D D D
E E E E E

Programm zum Drucken der vollständigen Pyramide mit *

Java

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public class Main {
​
  public static void main(String[] args) {
    int rows = 5, k = 0;
​
    for (int i = 1; i <= rows; ++i, k = 0) {
      for (int space = 1; space <= rows - i; ++space) {
        System.out.print("  ");
      }
​
      while (k != 2 * i - 1) {
        System.out.print("* ");
        ++k;
      }
​
      System.out.println();
    }
  }
}

Output result

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

Programm zum Drucken von Pyramiden mit Zahlen

Java

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public class Main {
​
  public static void main(String[] args) {
    int rows = 5, k = 0, count = 0, count1 = 0;
​
    for (int i = 1; i <= rows; ++i) {
      for (int space = 1; space <= rows - i; ++space) {
        System.out.print("  ");
        ++count;
      }
​
      while (k != 2 * i - 1) {
        if (count <= rows - 1) {
          System.out.print((i + k) + " ");
          ++count;
        } else {
          ++count1;
          System.out.print((i + k - 2 * count1) + " ");
        }
​
        ++k;
      }
      count1 = count = k = 0;
​
      System.out.println();
    }
  }
}

Output result

1
      2 3 2
    3 4 5 4 3
  4 5 6 7 6 5 4
5 6 7 8 9 8 7 6 5

Drucken Sie das Pascalsche Dreieck

Java

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public class Main {
​
  public static void main(String[] args) {
    int rows = 6, coef = 1;
​
    for(int i = 0; i < rows; i++) {
      for(int space = 1; space < rows - i; ++space) {
        System.out.print("  ");
      }
​
      for(int j = 0; j <= i; j++) {
        if (j == 0 || i == 0)
          coef = 1;
        else
          coef = coef * (i - j + 1) / j;
​
        System.out.printf("%4d", coef);
      }
​
      System.out.println();
    }
  }
}

Output result

1
         1   1
       1   2   1
     1   3   3    1
   1   4   6   4   1
 1   5   10   10  5   1

Java

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Pyramide und Muster erstellen. Java

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