May 1, 2012 · are you saying you want an array of arrays or just an array named fruits? He wants to store some strings in an Array, and then use the data of the array and name variables after that. Something which AFAIK cannot happen. Use an HashMap. Example: However, may I suggest you replace arrays with ArrayList ? ** EDIT **

Nov 15, 2011 · name the array with a different name than the int variable. while(..){ int[] array = new int[n]; ... You can add as many elements as you need. If you need an Object [], you can convert with method toArray (). List list = new ArrayList(); list.add(1); Integer[] array = list.toArray();

Jan 22, 2014 · eventLabel is used as both a local variable in the method as well as a passed-in argument. Give the two different names and that should fix your problem. You cannot use the same name as the variable passed (String eventLavel) to your function.

Discover how to effectively use variables to create dynamic array names in Java. Explore examples and solutions to common issues.

In Java, there is a convention on how to name identifiers: The names of classes and interfaces begin with a capital letter. Eg MyClass. The names of variables and methods start with lowercase. Eg myVariable. Constants must have all capital letters. Eg MY_CONSTANT.

Feb 4, 2022 · We use square brackets [] to declare an array. That is: We have declared a variable called names which will hold an array of strings. If we were to declare a variable for integers (whole numbers) then we would do this:

The rules and conventions for naming your variables can be summarized as follows: Variable names are case-sensitive. A variable's name can be any legal identifier — an unlimited-length sequence of Unicode letters and digits, beginning with a letter, the dollar sign "$", or the underscore character "_".

In this chapter, we will learn how to use Array and ArrayList in Java to store and structure data. We will see what Array and ArrayList are and how we can create and work with them by solving several examples. Additionally, we will also introduce and …

May 5, 2014 · Java variables have to be declared in the source code 1. Depending on what you are trying to achieve, you should use an array, a List or a Map; e.g. n[i] = 5; n.add(5); n.put("n" + i, 5); It is possible to use reflection to dynamically refer to …

Rules and conventions for naming variables in java. The rules and conventions for naming your variables in java can be summarized as follows : Every variable name should start with either alphabets, underscore (_ ) or dollar ($ ) symbol. It should not start with number or any other special symbols.