# What is the Fibonacci series? in java | Displaying the Fibonacci sequence using a loop

What is the Fibonacci series? in java | Displaying the Fibonacci sequence using a loop

### What is the Fibonacci series?

In the Fibonacci series, the next number is the sum of the previous two numbers. The first two numbers in the Fibonacci series are 0 and 1.
Fibonacci numbers are used significantly in computational run-time studies of algorithms to determine the largest common divisor of two integers. In arithmetic, the Wiethoff array is an infinite matrix of numbers that originates from the Fibonacci sequence.
Fibonacci sequences: 0, 1, 1, 2, 3, 5, 8, 13, 21, …

### Fibonic Series in Java

import java.io.*;
import java.util.*;
class FibonicSeries
{
static public void main(String []sss)
{
int n=10,a=10,b=1,z=0;
while(n>0)
{
z=a+b;
a=b;
a=z;
System.out.println(a);
}
}
}

## Example 1: Program to print the retrievers series used for loop.

Public class JavaExample {

public static void main (String [] args) {

int count = 7, num1 = 0, num2 = 1;
System.out.print (“” + count + “Fibonacci series of numbers:”);

for (int i = 1; i <= count; ++ i)
{
System.out.print (num1 + “”);

/ * At each iteration, we are assigning another number
* To specify the sum of the first number and the last two
* Number on second number
* /
int sumOfPrevTwo = num1 + num2;
num1 = num2;
num2 = sumOfPrevTwo;
}
}
}

Output:
fibonacci series of 7 number: 0 1 1 2 3 5 8

## Example 2: Displaying the Fibonacci sequence using a loop

Public class JavaExample {

public static void main (String [] args) {

int count = 7, num1 = 0, num2 = 1;
System.out.print (“” + count + “Fibonacci series of numbers:”);

int i = 1;
While (i <= count)
{
System.out.print (num1 + “”);
int sumOfPrevTwo = num1 + num2;
num1 = num2;
num2 = sumOfPrevTwo;
i ++;
}
}
}

Output:

Fibonacci series of 7 numbers: 0 1 1 2 3 5 8