计算X^n的方法

package test1;
import java.util.Scanner;
public class Square {

	public static void main(String[] args) {
		double result=0;
		double t=0;
		Scanner sca=new Scanner(System.in);
		System.out.println("请输入指数");
		int power =sca.nextInt();//从键盘输入
		System.out.println("请输入底数");
		double truth= sca.nextDouble();//从键盘输入
		t=truth;
		for(int i=0;i