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

Java
1. 2D Graphics GUI
2. 3D
3. Advanced Graphics
4. Ant
5. Apache Common
6. Chart
7. Collections Data Structure
8. Database SQL JDBC
9. Design Pattern
10. Development Class
11. Email
12. Event
13. File Input Output
14. Game
15. Hibernate
16. J2EE
17. J2ME
18. JDK 6
19. JSP
20. JSTL
21. Language Basics
22. Network Protocol
23. PDF RTF
24. Regular Expressions
25. Security
26. Servlets
27. Spring
28. Swing Components
29. Swing JFC
30. SWT JFace Eclipse
31. Threads
32. Tiny Application
33. Velocity
34. Web Services SOA
35. XML
Microsoft Office Word 2007 Tutorial
Java Tutorial
Java Source Code / Java Documentation
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
C# / C Sharp
C# / CSharp Tutorial
ASP.Net
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
PHP
Python
SQL Server / T-SQL
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Java » Collections Data Structure » ArrayScreenshots 
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[inew Integer(rand.nextInt(500));
      System.out.println("a[" + i + "] = " + a[i]);
    }
  }
///:~


           
       
Related examples in the same category
1. Initialization and re-assignment of arraysInitialization and re-assignment of arrays
2. Sorting, Searching, and Inserting into a sorted arraySorting, Searching, and Inserting into a sorted array
3. Custom ArraySet implementationCustom ArraySet implementation
4. Custom ArrayMap implementationCustom ArrayMap implementation
5. Doubling the size of an arrayDoubling the size of an array
6. Using reflection to check array type and lengthUsing reflection to check array type and length
7. Using reflection to create, fill, and display an arrayUsing reflection to create, fill, and display an array
8. ArrayEnumeration classArrayEnumeration class
9. Timing array loop performance
10. Treating an Array as an Enumeration
11. Converting a Collection to an ArrayConverting a Collection to an Array
12. Array 2DArray 2D
13. Can you change the .length of an array
14. Demonstrate use of Arrays.sort on Booleans
15. Show Two-Dimensional Array of Objects
16. Convert an Array to a Vector
17. ArrayListDemo done over using an ArrayList
18. Array Hunt game
19. Array Search Test
20. Array Fill Test Array Fill Test
21. Multi Dimension Array
22. Clone Array
23. Associates keys with valuesAssociates keys with values
24. Arrays of primitives
25. Creating arrays with new
26. Array initialization
27. Create multidimension arraysCreate multidimension arrays
28. Java 1.5 (5.0) new features: Working with ArraysJava 1.5 (5.0) new features: Working with Arrays
29. Initializing Array ValuesInitializing Array Values
30. Creating a Two-Dimensional Array
31. Initializing a Two Dimensional ArrayInitializing a Two Dimensional Array
32. Using the length VariableUsing the length Variable
33. Triangular array
34. Sort an arraySort an array
35. Grow arrayGrow array
36. Define array for class Define array for class
37. String array and output to consoleString array and output to console
38. Multiply two matrices
39. Array Of Arrays Demo 2Array Of Arrays Demo 2
40. Array Copy DemoArray Copy Demo
41. Java program to demonstrate multidimensional arraysJava program to demonstrate multidimensional arrays
ww___w__.___j___a__v__a__2s___.___c__o_m_ | Contact Us
Copyright 2003 - 08 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.