Instead of using an array, use an implementation of java.util.List such as ArrayList. An ArrayList has an array backend which holds values in a list, but the array size is automatically handles by the list. You can also convert the list into an array using list.toArray(new String[list.size()]) and so forth for other element types.
1. Please see that you have included the main() method in this class file. 2. If you still have the probs then right click on this java file in the package explorer and select Run 3. Keep the class name which contains your main() method, and the File name with which you save your file in Eclipse as SAME. Its logicaloperators.java NOT logicaloperator.java……You have … Read more
Try this:
The issue is that you are calling Random.nextInt() with a zero and it doesn’t like that. That is happening because the List from getAllItems() is empty. I would prevent this situation by checking that the list has items before performing your logic:
The red exclamation mark usually means there is a problem with the Build Path. Do you see any alerts in the “Problem” View?
Ok, actually, on Windows the classpath separator is ; not : Replacing separator fixes this issue
the difference in term of the flow, i know that doGet() is the pre-processing and dopost is post-processing, but what is that? Actually, the methods are nothing to do with “pre-processing” and “post-processing”. To understand what the methods are for, you need some basic understand of the HTTP protocol. HTTP is a request-reply protocol: the … Read more
1 I’m having issues generating the random number each time I run through the do-while loop in main. When I remove the do – while statement the if statement works fine and seems to generate a random result each time but when it is repeated in the loop it seems to just repeat the initial … Read more
Difference is in milliseconds. I modified sfaizs post.
For example: