package Test;

public class TestStringContain {

	public static void main(String[] args) {

		String str = "javakkjava--java99javahajava98098098098java";

		String subStr = "java";

		int count = 0;

		int fromIndex = 0;

		int index = -1;

		while((index = str.indexOf(subStr,fromIndex)) != -1){

			//每次找到subStr，都把fromIndex下移subStr.length()个长度

			fromIndex = index + subStr.length();

			count++;

		}

		System.out.println(count);

	}

}