![]() If you want an array with more mutability than standard Java arrays, then an ArrayList might be your best bet - just make sure to remember that the wording used to work with them might change. Here’s an example: for (int i = 0 i thisArrayList = new ArrayList() thisArrayList.add("hello") thisArrayList.add("world") //thisArrayList now has two elements: "hello" and "world" To save time on longer arrays, building a for loop to do so might help. If you want to print the contents of an array, calling on each element individually is your best bet. What will be printed instead is a reference to the space allocated to storing the array, which is unlikely to be of use to the coder or the user. (thisArray) //this will not print "goodbye world"! //it prints something like "[ instead The example above also illustrates another particular of Java arrays, which is that the contents of an array cannot be printed simply by calling the array. thisArray = "goodbye" (thisArray + " " + thisArray) //prints "goodbye world" Ībove is an array written in Javascript, and below is an array written in Java. In all languages, an array is a data type that consists of multiple values collected in a single variable. As an experienced Javascript programmer who recently began learning Java, one of the first big differences that tripped me up was in the two languages’ interpretations of the array data type. ![]() However, oftentimes these similarities make the places where the two languages differ even more confusing. ![]() Certainly, there are some similarities after all, the basic logic that goes into coding is the same regardless of which language it’s being typed in. Despite the similarities in their name, Javascript and Java are two entirely different programming languages.
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