Triangular numbers : Stack « Collections Data Structure « Java

Triangular numbers

Triangular numbers

public class Triangle {

  public static void main(String[] args) throws IOException {
    int theNumber = 100;
    int theAnswer = triangle(theNumber);
    System.out.println("Triangle=" + theAnswer);

  public static int triangle(int n) {
    if (n == 1)
      return 1;
      return (n + triangle(n - 1));



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