Dice Rolling java program

You should use a while loop: The dice are rolled again and again until the player has won or lost (then, break ends the while loop).

difference between equals() and hashCode()

The equals() and hashCode() methods prove to be very important, when objects implementing these two methods are added to collections. If implemented incorrectly it might screwed up your life. equals() : This method checks if some other object passed to it as an argument is equal the object in which this method is invoked. It is easy to implement the … Read more

In Java, how to assign the variable number=Integer.parseInt(args[0]) a value if no argument is passed?

You could assign value of n as 0 or any other value by default and use if(args.length > 0) { to check whether any arguments is given. Below is full example with comments: Note: Users which are not so familiar with java, this program can be run by: Saving it to Infinity.java Compiling it with cmd or terminal by writing: javac Infinity.java Executing it … Read more

How to read and write XML files?

Here is a quick DOM example that shows how to read and write a simple xml file with its dtd: and the dtd: First import these: Here are a few variables you will need: Here is a reader (String xml is the name of your xml file): And here a writer: getTextValue is here: Add … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)