javac HelloWorld.java
$ java HelloWorld
Hello World!
private static int fibo(int index) {
if (index <= 1) {
return index;
}
return fibo(index-1) + fibo(index-2);
}
for (int i = 0; i < 100; i++) {
long start = System.nanoTime();
int result = fibo(14);
long totalTime = System.nanoTime() - start;
System.out.println(totalTime);
}
$ java Fibo.java
$ java -Djava.compiler=NONE Fibo.java