陳姵蓁w3schools,Java,迴圈,For Loop,整數int,字串String,美國資訊交換標準碼ascii,萬國碼unicode

w3schools截圖

//陳姵蓁,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("陳姵蓁,2022/10/20,java迴圈for loop"); for (i = 9; i > 0; i--) { /*迴圈,i控制*/ System.out.print(a+i+b); /*系統的輸出的列印完成列println*/ for (j = 0; j <= i ; j++) /*j 控制欄方向*/ System.out.print(j); /*回圈內僅一指令,可省略{...}*/ System.out.println('.'); /*println=print line*/ } }

w3schools學習Java,Character.toStringunicode統一碼

//陳姵蓁,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("陳姵蓁,2022/10/20,java迴圈for loop"); for (i = 9; i > 0; i--) { /*迴圈,i控制*/ System.out.print(a+i+b); /*系統的輸出的列印完成列println*/ for (j = 0; j <= i ; j++) /*j 控制欄方向*/ System.out.print(j); /*回圈內僅一指令,可省略{...}*/ System.out.println('.'); /*println=print line*/ } for (i = 40845; i < 40860; 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); } } }