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 Java > Core > Special Triangles > Triangle1

Triangle1 

File Name  :  
com/bethecoder/tutorials/core/triangle/Triangle1.java 
Author  :  Sudhakar KV
Email  :  kvenkatasudhakar@gmail.com
   
package com.bethecoder.tutorials.core.triangle;

public class Triangle1 {

  public static void main (String [] args) {

    int num_of_lines = 20;
    int start_num = 1;
    
    for (int i = ; i < num_of_lines; i ++ ) {
      
      for (int j = start_num ; j <= (start_num + i; j ++) {
        System.out.print(j + " ");
      }
      
      System.out.println();
    }
  }
}
   

It gives the following output,
1 
1 2 
1 2 3 
1 2 3 4 
1 2 3 4 5 
1 2 3 4 5 6 
1 2 3 4 5 6 7 
1 2 3 4 5 6 7 8 
1 2 3 4 5 6 7 8 9 
1 2 3 4 5 6 7 8 9 10 
1 2 3 4 5 6 7 8 9 10 11 
1 2 3 4 5 6 7 8 9 10 11 12 
1 2 3 4 5 6 7 8 9 10 11 12 13 
1 2 3 4 5 6 7 8 9 10 11 12 13 14 
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 


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