public class JavaCount {
public static void main(String[] args){
String s =
"javahusongjavaxiaojava123javabenben";
int count =
0;
int index = -
1;
String Tofind =
"java";
while((
index = s.indexOf(Tofind)) != -
1){
s = s.substring(
index+Tofind.length());
count++;
}
System.out.println(
"java出现的次数："+
count);
}
}
运行结果： java出现的次数：4
