0
/**
* Prints a pyramid of asterisks of the specified height.
*
* Will print in the form: printStars(3) =
*
***
*****
*/
public static final void printStars(final int height) {
// perform calculations once
final int totalLength = (height * 2) - 1;
final int totalLength_2 = totalLength / 2;
StringBuilder str = new StringBuilder(totalLength);
// fill with spaces
for (int i = 0; i < totalLength; ++i) {
str.append(' ');
}
// fill in levels
for (int i = 0; i <= totalLength_2; ++i) {
str.setCharAt(totalLength_2 + i, '*');
str.setCharAt(totalLength_2 - i, '*');
System.out.println(str);
}
}
/**
* Prints a pyramid of asterisks of the specified height.
*
* Will print in the form: printStars(3) =
*
* *
* *
*/
public static final void printStars(final int height) {
// perform calculations once
final int totalLength = (height * 2) - 1;
final int totalLength_2 = totalLength / 2;
StringBuilder str = new StringBuilder(totalLength);
// fill with spaces
for (int i = 0; i < totalLength; ++i) {
str.append(' ');
}
// fill in levels
for (int i = 0; i <= totalLength_2; ++i) {
if ((totalLength_2 + i - 1) >= 0) {
str.setCharAt(totalLength_2 + i - 1, ' ');
}
if ((totalLength_2 - i + 1) < totalLength) {
str.setCharAt(totalLength_2 - i + 1, ' ');
}
str.setCharAt(totalLength_2 + i, '*');
str.setCharAt(totalLength_2 - i, '*');
System.out.println(str);
}
} OR second method and easier package javaapplication12; /**
*
* @author Dexy86
*/
public class Main {
public static void main(String[] args) {
for(int i=0; i<5; i++){
for(int v=0;v<i; v++){
System.out.print("*");
}
System.out.println();
}
}
}
What else can I help you with?
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Here's a simple Python program that constructs and displays a pyramid: def print_pyramid(height): for i in range(height): print(' ' * (height - i - 1) + '*' * (2 * i + 1)) print_pyramid(5) This code defines a function print_pyramid that takes the height of the pyramid as an argument and prints a pyramid made of asterisks (*). Adjust the height parameter in the print_pyramid function call to change the size of the pyramid.
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