/**

 * Created by xfyou on 2016/11/4.

 */

public class SubstringDemo {

    public static void main(String[] args) {

        String a = "Java is great.";

        System.out.println(a);

        System.out.println(a.substring(5));

        System.out.println(a.substring(5, 7));

        // Java的整个字符串的结束索引在最后一个字符之外

        System.out.println(a.substring(5, a.length()));

        System.out.println(a.indexOf('.'));

        System.out.println(a.length());

    }

}