Answer:
A PrintWriter reference variable named output that references a PrintWriter object is as follows:
//PrintWriter output = new PrintWriter(outfile);
PrintWriter output = new PrintWriter("output.txt");
The statement that writes the string "Hello World" to the file output is as follows:
//output.print(message)
output.print("Hello World");
Explanation:
Did you forget the picture?
1.mouse input
2.keyboard input
3.monitor output
4.speakers output
5.printer output , and input if has scanner
5.microphone input
Answer:
ipconfig / release command will be used to request new IP configuration information from a DHCP server
Explanation:
The ipconfig /release sends a DHCP release notification to the client so that the client immediately releases the lease henceforth updating the server's status information . This command also mark the old client's id as being available. Thus, the command ipconfig /renew then request a new IP address.
Since java.util.PriorityQueue doesn't use the Cloneable interface, I think it's safe to say that Serializable interfaces are implemented in all instances.
