Question

写java函数，求一个字符串的长度，在main函数中输入字符串，并输出其长度

Answer 1

调用String对象的length()方法就可以获取字符串的长度了

Answer 2

import java.util.Scanner;

public class Test {

public static void main(String[] args) {

System.out.print("Please input a string:");
String input = new Scanner(System.in).nextLine();

System.out.println(input + " length is : " + input.length());

}

}

Answer 3

public static void main(String[] args) {
String input = new Scanner(System.in).nextLine();
Scanner sc = new Scanner(System.in);
String s = sc.netxtLine();
s.length();
}

Answer 4

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