Java-Returning Arrays From Method

Returning Arrays From Method A method may also return an array. For example, in the following program, the method returnData( ) returns an array. Program Program Source class Data { int[] returnData() { return new int[]{20,40,60,80}; } } public class Javaapp { public static void main(String[] args) { Data da = new Data(); int[] getData = da.returnData(); for(int … Read more…

Java-Array as Parameters of Method

Array as Parameters of Method By passing the array name, we are, in fact passing the reference of the array to the called function. The array in the called function now refers to the same array stored in the memory. Program Program Source class Setdata{ void setData(int[] v) { v[0] = 10; v[2] = 30; v[4] … Read more…

Java-Array of String

Array of String You can place objects of string into arrays. This is done in the same way as for character. The string representation consists of a list of the array’s elements, enclosed in braces (“{}”). Adjacent elements are separated by the string”,”. Program Program Source public class Javaapp { public static void main(String[] args) … Read more…

Java-Character Array

Character Array The character array is a data structure that stores a collection of character values of the char type. The character array is equivalent to the integer array. The character representation consists of a list of the array’s elements, enclosed in braces (“{}”). Adjacent elements are separated by the characters ‘,’. Program Program Source … Read more…

Java-Convert Integer Array to String

Convert Integer Array to String There is an even easier way to convert integer array to String, using the toString method of the Arrays class. The call Arrays.toString(array) returns a string containing the array elements, enclosed in brackets and separated by commas, such as “[20,40,60,80,90]”. Program Program Source import java.util.Arrays; public class Javaapp { public … Read more…

Java-Get Array Values Using For-Each

Get Array Values Using For-Each Loop The for each loop helps us to retrieve the array of elements efficiently rather than using array indexes. This loop is designed to cycle through the entire array, obtaining one element at a time, in sequence, from beginning to end. The loop traverses the elements of the array, not … Read more…