Getting the Length and Dimensions of an Array Object : Array Reflection « Reflection « Java

Java
1. 2D Graphics GUI
2. 3D
3. Advanced Graphics
4. Ant
5. Apache Common
6. Chart
7. Class
8. Collections Data Structure
9. Data Type
10. Database SQL JDBC
11. Design Pattern
12. Development Class
13. EJB3
14. Email
15. Event
16. File Input Output
17. Game
18. Generics
19. GWT
20. Hibernate
21. I18N
22. J2EE
23. J2ME
24. JDK 6
25. JNDI LDAP
26. JPA
27. JSP
28. JSTL
29. Language Basics
30. Network Protocol
31. PDF RTF
32. Reflection
33. Regular Expressions
34. Scripting
35. Security
36. Servlets
37. Spring
38. Swing Components
39. Swing JFC
40. SWT JFace Eclipse
41. Threads
42. Tiny Application
43. Velocity
44. Web Services SOA
45. XML
Java Tutorial
Java Source Code / Java Documentation
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java » Reflection » Array ReflectionScreenshots 
Getting the Length and Dimensions of an Array Object
  

import java.lang.reflect.Array;

public class Main {
  public static void main(String[] argvthrows Exception {
    Object o = new int[1][2][3];
    int len = Array.getLength(o)// 1
    System.out.println(len);
    int dim = getDim(o)// 3
    System.out.println(dim);
  }

  public static int getDim(Object array) {
    int dim = 0;
    Class cls = array.getClass();
    while (cls.isArray()) {
      dim++;
      cls = cls.getComponentType();
    }
    return dim;
  }
}

   
    
  
Related examples in the same category
1. Creating an Array: An array of 10 ints.
2. Creating an Array: An array of 10 int-arrays.
3. Creating an Array: A 10x20 2-dimensional int array.
4. Getting and Setting the Value of an Element in an Array Object
5. Array Reflection: name and typeArray Reflection: name and type
6. Array Reflection: getComponentType()Array Reflection: getComponentType()
7. Array Reflection: create instanceArray Reflection: create instance
8. Array Reflection: get lengthArray Reflection: get length
9. Array Reflection: Multi Array Reflection
10. Using reflection to check array type and length
11. Using reflection to create, fill, and display an array
12. Determining If an Object Is an Array
13. Getting the Component Type of an Array Object
14. Check if the given object is an array (primitve or native).
15. return an Object array for the given object.
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.