Java程式碼 /*劉任昌2022/10/17w3Schools學雙迴圈,運算子operator,運算元operand*/ public class Main { public static void main(String[] args) { int i, j; /*宣告整數integer變數i, j*/ String a="第", b="列:"; /*宣告整數字串a, b給初始值*/ for ( i = 0; i < 8; i++) { /*迴圈*/ System.out.print(a + i + b);/*+運算子用在字串,串接功能*/ for ( j = 0; j <= i; j++)/*迴圈內僅有一道指令,可以不加{...}*/ System.out.print(j); /*print輸出完,下一個print在後面,*/ System.out.println(); /*println輸出完換列line,()空的,只有換列*/ } } } w3schools程式碼截圖 利用Character.toString學習UNICODE萬國碼,統一碼 /*劉任昌2022/10/17w3Schools學雙迴圈,運算子operator,運算元operand*/ public class Main { public static void main(String[] args) { int i, j; /*宣告整數integer變數i, j*/ String a="第", b="列:"; /*宣告整數字串a, b給初始值*/ for ( i = 8; i > 0; i--) { /*迴圈*/ System.out.print(a + i + b);/*+運算子用在字串,串接功能*/ for ( j = 0; j <= i; j++)/*迴圈內僅有一道指令,可以不加{..
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