While loop incorrect

Question

Hi
in my program i have the following, which is a menu for the user to choose 1 of 6 choices then a while loop to ensure they only choose a number from 1 to 6, the problem is if i tipe any number from 1-6 it gives the statement within my loop, not allowing any number at all, could someone tell me why? i did try to use double =, like !== this but that gives an illegal start of expression error...
System.out.println("If you would like to add information for account 1, press 1");
                System.out.println("If you would like to add information for account 2, press 2");
                System.out.println("If you would like to show the information for account 1, press 3");
                System.out.println("If you would like to show the information for account 2, press 4:");     
                System.out.println("When you would like to progress to the next stage of the program, press 5:");
                System.out.println("if you would like to end the program here, press 6");
                Choice = console.nextInt();
                    while (Choice!= 1 || Choice!=2 || Choice!=3 || Choice!=4 || Choice!=5 || Choice!=6)
                        System.out.print("Please enter a choice of either 1, 2, 3, 4, 5 or 6:");
                        Choice = console.nextInt();  
                     }PS: apologies for the badly indented first line, i tried to fix that before posting but it isnt fixing
Cheers
Marc

Answer 1

Lets simple this a little to just two options.
Choice!= 1 || Choice!=2 And now lets make a table for that:
[pre]
Choice!= 1     Choice!= 2    Result
false          false         false
true           false         true
false          true          true
true           true          true
[/pre]
So the only time it will break out of the loop is when the result is false. For that to happen choice has to be both one, and two at the same time. Lets now look at some other options, like say "and"
[pre]
Choice!= 1     Choice!= 2    Result
false          false         false
true           false         false
false          true          false
true           true          true
[/pre]
Now it will only stay in the loop when Choice is both not one, and not two.