Error: Could not find or load main class Test，怎么改？

package com.imooc.exercise1;

public class Test {
	
	public static void main(String[] args) {
		NonMotor nonmotor=new NonMotor("红颜色","天宇",4,2);
	    Bicycle bicycle=new Bicycle("捷安特","黄");
	    ElectricVehicle electricVehicle=new ElectricVehicle("飞鸽");
	    Tricycle tricycle=new Tricycle();
		System.out.println("父类信息测试："+nonmotor.operate());
		System.out.println("自行车类信息测试："+bicycle.operate());
		System.out.println("电动车类信息测试："+electricVehicle.operate());
		System.out.println("三轮车类信息测试："+tricycle.operate());
		
	}

}