public class HomeWork01{ public static void main(String s[]){ String str="java技术学习班20070326"; str = str.substring(9, 17); System.out.println(str);
} }
public class HomeWork01{ public static void main(String s[]){ String str="java技术学习班20070326"; str = str.substring(9, 17); System.out.println(str);
} }
转载于:https://www.cnblogs.com/140302528yuyue/p/5344095.html