【Java例题】5.4 子串出现的次数

package chapter5;

import java.util.Scanner;

public class demo4 {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        String s=sc.next();
        String t=sc.next();
        int i0=s.length();
        int i1=s.replace(t, "").length();
        int num=(i0-i1)/t.length();
        System.out.println("子字符串个数为："+num);
        sc.close();
    }
}