练习7，大串中统计小串的次数

package com.heima.test;

public class StringTest3 {

/**练习7，大串中统计小串的次数
* @param args
*/
public static void main(String[] args) {
String max = "asdfgnbxvcnjwqeasdfgxcnxcnnasdfgc,vmkeasdfgkjrier";
String min = "asdfg";
int count = 0;
int index = 0;
while((index = max.indexOf(min)) != -1){
count++;
max = max.substring(index+min.length());
}
System.out.println(count);
}

}