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import java.util.Date; public class SystemTimeExample { public static void main(String[] args) { long currentTimestamp = System.currentTimeMillis(); Date currentDate = new Date(currentTimestamp); System.out.println("Current system time: " + currentDate); } }
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#include <linux/module.h> #include <linux/fs.h> #include <linux/uaccess.h> #define DEVICE_NAME "example" #define BUFFER_SIZE 1024 char buffer[BUFFER_SIZE] = "Hello, World! "; int pos = 0; static ssize_t driver_read(struct file *file, char *buf, size_t count, loff_t *ppos) { int bytes_read = 0; while(count && buffer[pos] != '') { put_user(buffer[pos], buf); pos++; bytes_read++; count--; buf++; } return bytes_read; } static struct file_operations fops = { .owner = THIS_MODULE, .read = driver_read, }; static int __init driver_init(void) { register_chrdev(0, DEVICE_NAME, &fops); return 0; } static void __exit driver_exit(void) { unregister_chrdev(0, DEVICE_NAME); } module_init(driver_init); module_exit(driver_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Your Name");
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