string型の変数の文字数を確認する方法
public class string2 {
public static void main(String[] args) {
int i;
String s1 = "iiii";
i = s1.length();
System.out.print(s1);
System.out.print("文字数は" + i + "です");
}
}
public class string2 {
public static void main(String[] args) {
int i;
String s1 = "iiii";
i = s1.length();
System.out.print(s1);
System.out.print("文字数は" + i + "です");
}
}