package String;

//获取一个字符串在另一个字符串中出现的次数

//比如获取"ab"在字符串"abkkcadkabkebfkabkskab"中出现的次数

import org.junit.Test;

public class StringDemo1 {

public int getCount(String mainString,String subString){

int mainLength = mainString.length();

int subLength = subString.length();

int count = 0;

int index;

if(mainLength >= subLength){

while((index = mainString.indexOf(subString)) != -1){

count++;

mainString = mainString.substring(index + subLength);

}

return count;

}else{

return 0;

}

}

@Test

public void test(){

String mString = "abkkcadkabkebfkabkskab";

String sString = "ab";

int count = getCount(mString,sString);

System.out.println(count);

}

}