Java打印斐波那契前N项的实现示例

import org.junit.Test;

import java.util.Scanner;

import static java.lang.System.out;

/**
 * ClassName:Maintest
 *
 * @author: zhengkw
 * @description: 测试
 * @date: 20/02/01下午 7:34
 * version:
 * @since: jdk 1.8
 */

public class Maintest { 

  @Test
  public void printFibonacciTest() {
    FibonacciSequence fibonacciSequence = new FibonacciSequence();
    //打印一个斐波那契前i项
    //  Scanner sc = new Scanner(System.in);
    // out.println("打印多少项斐波那契");
    // int i=sc.nextInt(); 
    int i =8;
    for (int n=1;n<i;n++){
      out.print(fibonacciSequence.fibonacci(n)+"\t\t");
    }

  }
}

import static java.lang.System.out;
/**
 * @ClassName:FibonacciSequence
 * @author: zhengkw
 * @description: 斐波那契数列递归应用
 * @date: 20/02/07下午 4:10
 * @version:1.0
 * @since: jdk 1.8
 */
public class FibonacciSequence {
  /**
   * @param n 项数
   * @descrption: 生成第n项元素
   * @return: int
   * @date: 20/02/07 下午 5:03
   * @author: zhengkw
   */
  public int fibonacci(int n) {
    if (n < 3) {
      return 1;
    } else {
      return fibonacci(n - 2) + fibonacci(n - 1);
    }
  }
}