Java-J2SE学习笔记

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);
	}
}