Question

jsp中怎么获取某个字符前的字符串？？？

比如我怎么获取字符串“hello；good；ooo；”怎么打1能获取hello打2就能获取good

Answer 1

import java.util.Scanner;

public class Test03{
public static void main(String[] args) {
String s="hello;good;ooo";
Scanner scan=new Scanner(System.in);
System.out.print("链档大请输入一个小于等于"+s.split("蠢链;").length+"的数字:"棚竖);
int n=scan.nextInt();
System.out.println(s.split(";")[n-1]);
}
}

Answer 2

String str = "茄没祥判hello;good;ooo";
String[]str1 = str.split("颤宴纳;");
for(int i=0;i<str1.length;i++){
System.out.println(str1[i]);
}

Answer 3

String str = "hello;good;ooo;";
String[] s = str.split("拍腔圆哪;"袭腔衫);
BufferedReader input = new BufferedReader(new InputStreamReader(
System.in));
System.out.println(s[Integer.parseInt(input.readLine()) - 1]);

Answer 4

经过测试，楼上正解！