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{...}*/
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*/
}
for ( i =40845; i < 40850; i ++)/*試探統一碼unicode 40845的對應字元*/
{ a = Character.toString(i); /*Character字元.的toString轉成字串*/
System.out.println( i + " 字碼的字元是 " + a );
}
System.out.println("統一碼unicode涵蓋地球上所有文字,當然涵蓋傳統的ascii美國標準資訊交換碼");
}
}
w3schools截圖Character.toString
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