To illustrate, consider below example Create an array to store the contents. 2D character arrays are very similar to the 2D integer arrays. You can follow any of the below syntaxes for declaration of an array in java. The value returned by this method is the same value that would be obtained by invoking the hashCode method on a List containing a sequence of Character instances representing the elements of a in the same order. Task: I have two dimensional array of chars filled with random values [a-z] and need to find if the word ala appears vertically, horizontally or diagonally in it. Let's take another example of the multidimensional array. But if we are working with arbitrarily more numbers of data of same type, array can be a good choice because it is a simple data structure to work with. When we are dealing with a handful of data of the same type, we can use a different variable for each. Syntax of 2D Array in Java. The array is a data structure that is used to collect a similar type of data into contiguous memory space.An array can be a single-dimensional or multidimensional. Step 2: Create a character array of the same length as of string. In my program, I go through all characters and try to find word in all dimensions. An array that has 2 dimensions is called 2D or two-dimensional array. This time we will be creating a 3-dimensional array. Remember, Java uses zero-based indexing, that is, indexing of arrays in Java starts with 0 and not 1. Whenever, a word is found, increase the count, and after traversing the matrix what ever will be the value of count will be number of times string exists in character matrix. Another interesting concept is the use of 2D character arrays.In the previous tutorial, we already saw that string is nothing but an array of characters which ends with a ‘\0’. Java Char Array. In Java Two Dimensional Array, data stored in row and columns, and we can access the record using both the row index and column index (like an Excel File). For any two char arrays a and b such that Arrays.equals(a, b), it is also the case that Arrays.hashCode(a) == Arrays.hashCode(b). If the data is linear, we can use the One Dimensional Array. The Two Dimensional Array in Java programming language is nothing but an Array of Arrays. Traverse through each character of the matrix and taking each character as start of the string to be found, try to search in all the possible directions. In the case of the 2D array, the values are stored in a matrix format, which means it is based on row and column index. Step 1: Get the string. We have successfully learned the basic concepts and different library functions that C Programming offers. The elements of a jagged array can be of different dimensions and sizes. Therefore, it is possible to create a two dimensional array in Java where individual one dimensional arrays has different length. In this article, we will learn to initialize 2D array in Java. We know that a two dimensional array is nothing but an array of one dimensional arrays. There are several ways to create and initialize a 2D array in Java. Dec 26, 2018 Array, Core Java, Examples, Java Tutorial comments . 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. Syntax: dataType[][] reference_variable name; dataType [][]reference_variable name; dataType reference_variable name [][]; Given a string, the task is to convert this string into a character array in Java.. 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