以什么开头(真为true 假为false)

        String string = "www.baidu.com";
        boolean www = string.startsWith("www");
        boolean www1 = string.startsWith("baidu");
        boolean www2 = string.startsWith("baidu", 4);//从String长度几开始

结果

 

 以什么结尾(真为true 假为false)

        String string = "www.baidu.com";
        boolean www = string.endsWith("www");
        boolean www1 = string.endsWith("baidu");
        boolean www2 = string.endsWith("com");

结果