package exercise.exercise02;
public class Fibonacci implements Runnable {
int fibonacciCount;
public Fibonacci(int fibonacciCount){
this.fibonacciCount = fibonacciCount;
}
@Override
public void run() {
System.out.print("Thread "+fibonacciCount+" :");
}
public int getFibonacci(int fibo){
if(fibo<2){
return 1;
}
return getFibonacci(fibo-1)+getFibonacci(fibo -2);
}
}
/** out put
* Thread 1:[0]
* Thread 2:[0,1]
* Thread 3:[0,1,1]
* Thread 4:[0,1,1,2]
* */
package exercise.exercise02;
public interface Generator<T> {
T next();
}
package exercise.exercise02;
import java.util.Arrays;
public class MainFibonacci implements Runnable,Generator<Integer>{
int n;//n表示需要打印出來的fibonacci的個數
int count;//標記產生的Fibonacci的次數
public MainFibonacci(int n){
this.n = n;
System.out.println("exercise "+n);
}
public static void main(String[] args) {
for (int i = 1; i < 10; i++) {
new Thread(new MainFibonacci(i)).start();
}
}
@Override
public Integer next() {
return getFibonacci(count++);
}
@Override
public void run() {
Integer[] sequence = new Integer[n];
for (int i = 0; i < n; i++) {
sequence[i] = next();
}
System.out.println("sequence "+n+" : "+Arrays.toString(sequence));
}
public int getFibonacci(int fibo){
if(0==fibo){//第0個Fibonacci數爲：0
return 0;
}
if(fibo<2){
return 1;
}
return getFibonacci(fibo-1)+getFibonacci(fibo -2);
}
}
/*
class Fibonacci implements Runnable {
int fibonacciCount;
public Fibonacci(int fibonacciCount){
this.fibonacciCount = fibonacciCount;
}
@Override
public void run() {
System.out.print("Thread "+fibonacciCount+" :");
}
public int getFibonacci(int fibo){
if(fibo<2){
return 1;
}
return getFibonacci(fibo-1)+getFibonacci(fibo -2);
}
}*/
/** out put
* Thread 1:[0]
* Thread 2:[0,1]
* Thread 3:[0,1,1]
* Thread 4:[0,1,1,2]
* */
博主才疏學淺，如發現問題，請指正！此源代碼參考：http://blog.csdn.net/njiang/article/details/8042056
