Creating an array of nonprimitive objects : Array « Collections Data Structure « Java

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Java » Collections Data Structure » Array Screenshots  Creating an array of nonprimitive objects     // : c04:ArrayClassObj.java // Creating an array of nonprimitive objects. // From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002 // www.BruceEckel.com. See copyright notice in CopyRight.txt. import java.util.Random; public class ArrayClassObj {   static Random rand = new Random();   public static void main(String[] args) {     Integer[] a = new Integer[rand.nextInt(20)];     System.out.println("length of a = " + a.length);     for (int i = 0; i < a.length; i++) {       a[i] = new Integer(rand.nextInt(500));       System.out.println("a[" + i + "] = " + a[i]);     }   } } ///:~                                    Related examples in the same category 1.  Initialize a static array 2.  Initialization and re-assignment of arrays 3.  Doubling the size of an array 4.  Timing array loop performance 5.  Array 2D 6.  Can you change the .length of an array 7.  Show Two-Dimensional Array of Objects 8.  ArrayListDemo done over using an ArrayList 9.  Array Hunt game 10.  Multi Dimension Array 11.  Clone Array 12.  Associates keys with values 13.  Arrays of primitives 14.  Creating arrays with new 15.  Array initialization 16.  Create multidimension arrays 17.  Initializing Array Values 18.  Creating a Two-Dimensional Array 19.  Initializing a Two Dimensional Array 20.  Using the length Variable 21.  Triangular array 22.  Grow array 23.  Define array for class 24.  String array and output to console 25.  Multiply two matrices 26.  Array Of Arrays Demo 2 27.  Array Copy Demo 28.  Copying Elements from One Array to Another 29.  Java program to demonstrate multidimensional arrays 30.  Extend the size of an array 31.  Copy an array 32.  Initialize multidimensional array 33.  Get array upperbound 34.  To get the number of dimensions 35.  Resize an array, System.arraycopy() 36.  Dump array content: Convert the array to a List and then convert to String 37.  java.utils.Arrays provides ways to dump the content of an array. 38.  Dump multi-dimensional arrays 39.  Use the new shorthand notation to iterate through an array 40.  Create a repeated sequence of character 41.  Reverse array elements order 42.  Convert array of primitives into array of objects 43.  Array Initializers 44.  Reinitializes a byte array 45.  Reinitializes an int array 46.  Sum all elements in the array