20221017
/* 詹子宜2022/10/17,w3shools學習,for迴圈loop */
public class Main {
public static void main(String[] args) {
int i, j, k=10; /*宣告整數integer i,j,k*/
String a="放屁", b="列:"; /*宣告字串a,b且設定初值="放屁"*/
a ="第";
for ( i = 10; i > 0; i--) {/*迴圈一次增加1, i=i+1可用i++執行*/
System.out.print(a+i+b); /*系統System的.out輸出.println列印,line列*/
for ( j = 0; j <= i; j++)/*迴圈內僅有一指令,可以不用{....}*/
System.out.print(j); /*系統System的.out輸出.print列印*/
System.out.println(); /*純粹換line換列*/
}
for ( i =40845; i < 40851; 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");
for ( i =48; i < 122; i ++){/*試探ascii的對應字元,American Standard Code for Information Exchange*/
a = Character.toString(i); /*Character字元.的toString轉成字串*/
System.out.println(i + "碼的字元" + a ); }
}
}
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