class A{
public static void main(String[] args){
String s="ajavadafdjavalskajfdfs";
System.out.println(fun(s,"java"));
}
public static int fun(String s,String b){
int count =0;//计算数
int indext=0;//开始
while((indext=s.indexOf(b))>=0){
count++;
s=s.substring(indext+b.length());
}
return count;
}
}

class A{
public static void main(String[] args){
String s="ajavadafdjavalskajfdfs";
System.out.println(fun(s,"java"));
}
public static int fun(String s,String b){
int count =0;//计算数
int indext=0;//开始
while((indext=s.indexOf(b))>=0){
count++;
s=s.substring(indext+b.length());
}
return count;
}
}