程序要求输从键盘入一个字符串打印它的长度, 大家帮忙看看下面该这么写啊 谢谢
public class Main {
public static void main(String[] args) {
System.out.print("输入:");
Scanner in = new Scanner(System.in);
String s = in.nextLine();
System.out.print(s+"s.length = " + s.length()); }
}
public class Main {
public static void main(String[] args) {
System.out.print("输入:");
Scanner in = new Scanner(System.in);
String s = in.nextLine();
System.out.print(s+"s.length = " + s.length()); }
}
import java.util.*;
public class Array1 {
public static void main(String[] args) {
System.out.print("输入:");
Scanner in = new Scanner(System.in);
while(in.hasNextLine()){
String s = in.nextLine();
System.out.println(s+" "+"s.length = " + s.length());
}
}
}
import java.util.*;