How to Declare A String Array In Java. It is considered as immutable object i.e, the value cannot be changed. 1.2) Pattern.split() In Java, Pattern is the compiled representation of a regular expression. Step 2: Create a character array of the same length as of string. Strings, on the other hand, is a sequence of character. Elements are converted to strings as by String.valueOf(int). The syntax of creating an array in Java using new keyword − type[] reference = new type[10]; String array, therefore, is the data structure in java which is used to store the string type values and is used to hold a fixed number of string … either all the data stored inside it are of String type, or double type, or int type, etc. 1. We can use a Java array as an array of immutable objects. We can either pass a string array as an argument to toArray() method or pass an empty array of String type. String array is one structure that is most commonly used in Java. Thus, we can define a String Array as an array holding a fixed number of strings or string values. In order to use a String array, we must know the way in which they are declared. Example. If an empty array is passed, JVM will allocate memory for string array. In Java, you can create an array just like an object using the new keyword. List.toArray() We can use toArray(T[]) method to copy the list into a newly allocated string array. Share How to convert String to a String array in Java? java String array works in the same manner. Examples: Input: Hello World Output: [H, e, l, l, o,, W, o, r, l, d] Input: GeeksForGeeks Output: [G, e, e, k, s, F, o, r, G, e, e, k, s] Method 1: Naive Approach. It uses a contiguous memory location to store the elements. In this post, we will see how to convert list of string to array of string in Java. If you remember, even the argument of the ‘main’ function in Java is a String Array. Now, let’s have a look at the implementation of Java string array. Java example to convert string into string array using String.split() method and using java.util.regex.Pattern class. Use […] What Is A String Array In Java? In the following program, we will define a string array fruits with size of four. Step 1: Get the string. String arrayName[] = new String[size]; //or String[] arrayName = new String[size]; where arrayName is the String array name and size is the number of elements that we would like to store in the String array. We want to convert the string to an array of strings such that each element of an array will contain one word of the string. The array as the name suggests is used for storing homogenous groups of data, i.e. It is one of the most used data structure by programmers due to its efficient and productive nature; The Array is a collection of similar data type elements. String Array is used to store a fixed number of Strings. String Array in Java. Returns a string representation of the contents of the specified array. Given a string, the task is to convert this string into a character array in Java.. An Array is an essential and most used data structure in Java. The string representation consists of a list of the array's elements, enclosed in square brackets ("[]"). We can have an array with strings as its elements. Quick Reference: 1) Convert String to String[] 1.1) String.split() Use split() method to split string into tokens by passing a delimiter (or regex) as method argument. In Java Strings are handled as an array, that can store a fixed number of values and these values can be easily manipulated. String quantityArray[] = quantity.toArray(new String[quantity.size()]); Using the toArray method seems not to be related to the problem, but I just mention it for completeness. This Java String to String Array example shows how to convert String object to String array in Java using split method. Adjacent elements are separated by the characters ", "(a comma followed by a space). 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