Java program to print Tribonacci Series.

A tribonacci series is one in which the sum next term is the sum of previous three terms
Example 0 1 2 3 6 11 20………….

import java.util.Scanner;

public class Tribonacci 

 {

 public static void main(String args[]) {

  func(10);

 }

 static void func(int n) {

  int a = 0, b = 1, c = 2, d = 0, i;

  System.out.print(a + " , " + b + " , " + c);

  for (i = 4; i <= n; i++) {

   d = a + b + c;

   System.out.print(", " + d);

   a = b;

   b = c;

   c = d;

  }

 }

}

Output:

0 , 1 , 2, 3, 6, 11, 20, 37, 68, 125

BUILD SUCCESSFUL (total time: 1 second)