Introduction - If you have any usage issues, please Google them yourself
package defalt
public class Hellow {
public static void main(String args[])
{String str1="Hello,it is Tom speaking,who is that?"
String str2="is"
System.out.println(countStr(str1,str2))
}
public static int countStr(String str1,String str2){
int num=0
int indexFrom=0
indexFrom=str1.indexOf(str2,indexFrom)
while(indexFrom!=-1){
num++
indexFrom+=str2.length()
indexFrom=str1.indexOf(str2,indexFrom)
}
return num
}
}