The library

• File: org/novalis/example/Triangle.java
  

   
   package org.novalis.example;
   
   public class Triangle {
        public static void triangle (int n) {
   
   	int rows = 1 << n;
    	int i, j;
   
   	for (i = 0; i < rows; i ++) {
    	    for (j = 0; j < i; j ++)
    		System.out.println (" ");
    	    for (j = 0; j < rows; j ++) {
    		if ((i & j) != 0) 
    		    System.out.println ("  ");
    		else
    		    System.out.println ("**");
    	    }
    	    System.out.println ("\n");
    	}
        }
    }
   
   note the directory
   

  
  

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