葉可棠.HTML.CSS.JavaScript.Java

德明財經科技大學財金系葉可棠程式設計

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劉任昌模仿自#codeSTACKr https://github.com/codeSTACKr/css-grid-tutorial

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D11117310葉可棠JavaScript將輸入的字串顛倒輸出

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網頁介面 葉可棠輸入字串: 程式碼 <p>葉可棠輸入字串:<input id="in" len="40" type="text" /></p> <p><input onclick="f()" type="button" value="執行JavaScript" /></p> <p id="out"></p> <script> function f(){   var a = document.getElementById("in").value;/*取得id=in的文字*/   var b ="原字串:" + a + "<br>長度是:" + a.length + ",反串是: ";   var c = "";   for (var i = 0; i < a.length; i++)     c = a.slice(i,i+1) + c ;   b = b +"<front size=7>" + c + "</front>";   document.getElementById("out").innerHTML = b; } </script> vs CODE編輯JAVA import java.util.Scanner; /*開啟套件package util=utility用途,Scanner掃描器*/ /*葉可棠utility industry=公用事業產業,電力,自來水,效用=utility */ class MyClass { public static void main(String[] args) { String a, b=""; /*定義字串a,b */ Scanner...
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w3schools字串slicing[::],str,len

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b = "我男友是個大帥哥" #python字串單或雙引號都可 # 0 1 2 3 4 # -6-5-4-3-2-1 print("字串長度:"+str(len(b)))#相同字串型態才能串接 print("反過來:"+b[::-1]) print(b[:3]) #b字串的0,1,2 print(b[-4:-1]) print(b[-8:-4]) x='火鍋' y=9999 myorder="我希望{2}陪我去吃{0}他付錢{1}." print(myorder.format(x, y, b)) # format的參數 0 1 2 字串的方法列表 Method Description capitalize() Converts the first character to upper case casefold() Converts string into lower case center() Returns a centered string count() Returns the number of times a specified value occurs in a string encode() Returns an encoded version of the string endswith() Returns true if the string ends with the specified value expandtabs() Sets the tab size of the string find() Searches the string for a specified value and returns the position of where it was found format() Formats specified values in a string format_map() Formats specified values in a string index() Searches the string for a specified value and returns the position...
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