简单枚举类型——植物与颜色
Time Limit: 1000 ms Memory Limit: 65536 KiB
Problem Description
请定义具有red, orange, yellow, green, blue, violet六种颜色的枚举类型color,根据输入的颜色名称,输出以下六种植物花朵的颜色:
Rose(red), Poppies(orange), Sunflower(yellow), Grass(green), Bluebells(blue), Violets(violet)。如果输入的颜色名称不在枚举类型color中,例如输入purple,请输出I don’t know about the color purple.
Input
输入数据有多行,每行有一个字符串代表颜色名称,颜色名称最多30个字符,直到文件结束为止。
Output
输出对应颜色的植物名称,例如:Bluebells are blue. 如果输入的颜色名称不在枚举类型color中,例如purple, 请输出I don’t know about the color purple.
Sample Input
blue
yellow
purple
Sample Output
Bluebells are blue.
Sunflower are yellow.
I don’t know about the color purple.
Hint
请用枚举类型实现。
Source
lxh
import java.text.DecimalFormat;
import java.util.*;
import java.util.Scanner;
enum Color{
red("Rose","red"),
orange("Poppies","orange"),
yellow("Sunflower","yellow"),
green("Grass","green"),
blue("Bluebells","blue"),
violet("Violets","violet");
String name,color;
Color(String name,String color){
this.name = name;
this.color = color;
}
public String toString() {
return name+" are "+color+".";
}
}
public class Main {
public static void main(String args[]){
Scanner input = new Scanner(System.in);
int flag = 30;
while(input.hasNext() && flag-- != 0) {
String str = input.next();
try {
Color co = Color.valueOf(str);
System.out.println(co.toString());
}catch(Exception e) {
System.out.println("I don't know about the color "+str+".");
}
}
input.close();
}
}