fibn.java

来自「已经编写好的数据结构课本程序可以减轻您的负担」· Java 代码 · 共 39 行

// =============== Program Description =============== 
// 程序名称： fibn.java                               
// 程序目的： 设计一个求费氏级数的程序。                 
// Written By Kuo-Yu Huang. (WANT Studio.)             
// =================================================== 
import ConsoleReader.*;			// n导入已定义的数据输入类
 
public class fibn
{
	public static int FibN;		// 费氏级数变量Fn
	public static int FibN1;	// 费氏级数变量Fn1 
	public static int FibN2;	// 费氏级数变量Fn2 
	public static int i;		// 循环计数变量

	public static void main (String args[])
	{
		System.out.println("The Fibonacci Numbers");
					// 输入欲计算数值	
		System.out.print("Please enter a number : ");
						// 读入输入数值
		ConsoleReader console = new ConsoleReader(System.in);
		int Number = console.readInt();

		if ( Number <= 1 )
			System.out.println("Fibonacci Numbers of "+Number+" = 1");
		else
		{
			FibN2 = 0;
			FibN1 = 1;
			for ( i=2 ; i<=Number ; i++ )
			{
				FibN = FibN1 + FibN2;
				FibN2 = FibN1;
				FibN1 = FibN;
			}
			System.out.println("Fibonacci Numbers of "+Number+" = "+FibN);
		}
	}
}