w3schools學習Java迴圈for-loop字串String
/*張敏泰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("張敏泰編寫Java, 2022/10/14");
for (i = 1; i < k ; i++) { /*迴圈for loop*/
System.out.print(a + i + b + ": ");
for ( j = 0; j < i; j++)
System.out.print(j + " ");
System.out.println(); /*換列line縮寫為ln*/
}
}
}
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