swift -控制語句

//
//  main.swift
//  控制語句-03
//


import Foundation

println("Hello, World!")
//定義一個分數
var score = 80;
/**
*  定義一個數組
*/
var scoreArr = [90,99,45,89,67,54];

var minScore = 0;
var maxScore = 0;
var avgScore = 0.0;
var sumScore = 0.0;
var count = scoreArr.count;

//循環所有的yuans

for s in scoreArr
{
    sumScore = sumScore + Double(s);
    println("s is \(s)");
    if(minScore == 0||minScore > s){
        minScore = s;
    }
    if(maxScore == 0||maxScore < s)
    {
        maxScore = s;
    }
}
avgScore = sumScore/Double(count);
println("sumSocre is \(sumScore) avgScore is \(avgScore)");
println("maxScore is \(maxScore) minScore is \(minScore)");

for(var i = 0; i < count; i++){
    var s = scoreArr[i];//取得第iyuans
    println("for ...i\(i) s = \(s)");
    if(minScore == 0||minScore > s){
        minScore = s;
    }
    if(maxScore == 0||maxScore < s)
    {
        maxScore = s;
    }
}
avgScore = sumScore/Double(count);
println("sumSocre is \(sumScore) avgScore is \(avgScore)");
println("maxScore is \(maxScore) minScore is \(minScore)");


var index = 0;
do{
    if(index >= count){
        break;
    }
    var s = scoreArr[index];
    println("do-while s[\(index)]=\(s)");
}while(++index < count);


index = 0;
while(index < count)
{
    index++;
    if(index >= count){
        break;
    }
    var s = scoreArr[index];
    println("while s[\(index)] = \(s)");
}


//switch 之前的switch會穿透
let appType = "ios";
switch appType
{
    case "ios":
        println("ios開發");
        fallthrough;//讓往下走
    case "Android":
        println("Android開發");
    case "Java":
        println("Java 開發");
default:
        println("沒有任何比對");
}