曾馨慧w3schools,Java,迴圈,For Loop,字串String,每國交換資訊標準碼ascii,萬國碼unicode

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Java

//曾馨慧,2022/10/20,Java迴圈for loop public class Main { public static void main(String[] args) { int i, j; /* 宣告整數integer變數i */ String a="第", b="列: "; /*宣告字串a,b且給初始值*/ System.out.println("曾馨慧2022/10/20,Java迴圈for loop"); for (i = 9; i > 0; i--) { /*迴圈,i控制*/ System.out.print(i); /*系統的輸出的列印完換列println*/ for (j = 0; j <=i ; j++) /*j 控制欄方向*/ System.out.print(j);/*迴圈內僅依指令,可省略{...}*/ System.out.print('.'); /*println=print line*/ } } }

//曾馨慧,2022/10/20,Java迴圈for loop
public class Main {
  public static void main(String[] args) {/*curly捲bracket*/
    int i, j;                 /* 宣告整數integer變數i */
    String a="第", b="列: ";       /*宣告字串a,b且給初始值*/
    System.out.println("曾馨慧2022/10/20,Java迴圈for loop");
    for (i = 9; i > 0; i--) { /*迴圈,i控制*/
       System.out.print(i);   /*系統的輸出的列印完換列println*/
       for (j = 0; j <=i ; j++)  /*j 控制欄方向*/
          System.out.print(j);/*迴圈內僅依指令,可省略{...}*/
          System.out.print('.');  /*println=print line*/
  }
  for (i = 40846;i < 40846; i++){
     a = Character.toString(i); /*字元的.方法toString轉成字串*/
     b = "字碼的字元是";
     System.out.println(i + b + a);
  }
 }
}