w3schools學習Java迴圈for-loop字串String
/*胡寬佑w3schools,java,2022/10/14*/
public class Main {
public static void main(String[] args) {
int i;
int j; /*宣告整數integer i,j*/
int k = 10; /*宣告整數integer k且給值=*/
String a="第"; /*雙引號包字串String,單引號包字元*/
String b="列"; /*宣告字元character a, b且給值*/
System.out.println("胡寬佑編寫java,2022/10/14");
for (i = 1; i < k; i++){ /*迴圈for loop*/
System.out.print(a + i + b + ": ");
for ( j =0; j 
/*胡寬佑w3shools, Java, 2022/10/14*/
public class Main {
public static void main(String[] args) {
int i;
System.out.println("胡寬佑編寫Java, 2022/10/14");
for ( i = 48; i < 128; i++)
System.out.println( i + " 字碼是字元 " +Character.toString(i) );
/*方法(函數)字元Character的.toString將字碼轉換成字串*/
for ( i = 40845; i < 40900; i++)
System.out.println( i + " 字碼是字元 " + Character.toString(i) );
System.out.println("萬國碼unicode為地球上所有文字編碼，包含傳統的ascii只有128個");
}
}
10
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