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-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-arraycopy

arraycopy The arraycopy( ) method can be used to copy quickly an array of any type from one place to another. This is much faster than the equivalent loop written out longhand in java. Program  Program Source public class Javaapp { public static void main(String[] args) { int[] array_v1 = {10,20,30,40,50,60}; int[] array_v2 = new int[4]; … Read more…

Java-copyOf

copyOf The copyOf() method returns a copy of an array and has the following forms : The original array is specified by source, and the length of the copy is specified by len. If the copy is longer than source, then the copy is padded with zeros, nulls or false. If the copy is shorter … 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-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…