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Fibonacci.java
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37 lines (33 loc) · 787 Bytes
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public class Fibonacci {
public static void main(String[] args) {
int num, num1 = 0, num2 = 1, temp;
num = Integer.parseInt(args[0]);
System.out.print("Fibonacci numbers: ");
for (int i = 1; i <= num; i++) {
// This prints fibonacci number;
System.out.print(num1 + " ");
// This calculates fibonacci number;
temp = num1 + num2;
num1 = num2;
num2 = temp;
}
}
public static void fibonacciRecursionv1(int count, int a, int b) {
if (count > 0) {
int c = a + b;
a = b;
b = c;
System.out.printf("%d ", c);
fibonacciRecursionv1(count - 1, a, b);
}
}
public static int fibonacciRecursionv2(int i){
if(i==1 || i==2){
return 1;
}
else if (i == 0){
return 0;
}
return fibonacciRecursionv2(i-2)+fibonacciRecursionv2(i-1);
}
}