Jul 29, 2009 · The third way of initializing is useful when you declare an array first and then initialize it, pass an array as a function argument, or return an array. The explicit type is required.

In java 6 org.json.JSONArray contains the put method and in java 7 javax.json contains the add method. An example of this using the builder pattern in java 7 looks something like this:

This then means that you can create an array object of the appropriate type in your constructor, which means that the type of the objects you store in your collection will have their types …

I am new to Java and for the time created an array of objects in Java. I have a class A for example - A[] arr = new A[4]; But this is only creating pointers (references) to A and not 4 …

Read user input into a variable and use its value to initialize the array. myArray = new int[someVarSetEarlier] if you want to get the size in advance or use a List if you want the …

While there are two excellent answers telling you how to do it, I feel that another answer is missing: In most cases you shouldn't do it at all. Arrays are cumbersome, in most cases you …

The reason this method in Arrays class is because, the method is really converting from array to a list. The method is defined to take var-args. So, whatever arguments you pass to it is internally …

Jun 26, 2012 · I have to store some constant values (UUIDs) in byte array form in java, and I'm wondering what the best way to initialize those static arrays would be. This is how I'm currently …

You could create the new array in the size you want (4 in this case), and then use System.arrayCopy to copy the contents from one array to another.

I am wanting to create an array of arraylist like below: ArrayList<Individual> [] group = new ArrayList<Individual> () [4]; But it's not compiling. How can I do this?