Jul 9 09:09:56 me kernel: [ 2740.896079] usb 4-2: new full-speed USB device number 4 using uhci_hcdJul 9 09:09:57 me kernel: [ 2741.080112] usb 4-2: New USB device found, idVendor=046d, idProduct=c52fUSB Receiver as /devices/pci0000:00/0000:00:1a.1/usb4/<
2: new low-speed USB device number 4 using uhci_hcd[ 1235.728071] usb 4-2: new low-speed USB devicenumber 7 using uhci_hcd
[ 1235.903088] usb 4-2: can't
我是java编程新手,我试图学习java编程中类和对象的用法,同时编写下面的代码,我得到了一个例外。java.util.NoSuchElementException
5这里,第一行包含元素数(在本例中为5),下一行包含元素。import java.io.*;public class TestClass {
public static void main(String