i get null expression when trying to call from another class - Similar Threads

Register / Login

programming forums Java Mobile Certification Databases Caching Books Engineering Micro Controllers OS Languages Paradigms IDEs Build Tools Frameworks Application Servers Open Source This Site Careers Other Pie Elite all forums

this forum made possible by our volunteer staff, including ...

Marshals:

Tim Cooke
Campbell Ritchie
paul wheaton
Ron McLeod
Devaka Cooray

Sheriffs:

Jeanne Boyarsky
Liutauras Vilda
Paul Clapham

Saloon Keepers:

Tim Holloway
Carey Brown
Piet Souris

Bartenders:

Other threads similar to i get null expression when trying to call from another class

EJB and other Jakarta/Java EE Technologies

Set Chained OFF error while executing from my Bean

0 replies

Programmer Certification (OCPJP)

initializer block in anonymous classes

5 replies

Programmer Certification (OCPJP)

Method invocation with null argument

3 replies

JDBC and Relational Databases

Making Connection with database

2 replies

Programmer Certification (OCPJP)

Operator Precedence && ||

4 replies

JSP

access a variale in all jsp files

5 replies

Programmer Certification (OCPJP)

invocations prob::

2 replies

Beginning Java

Passing Value from 1 class 2 another.

2 replies

Java in General

Passing Value from 1 class 2 another

3 replies

Java in General

Passing Value from 1 class 2 another

6 replies

Applets

null pointer exception

3 replies

Web Component Certification (OCEJWCD)

few obscure things about JSP,EL

3 replies

Beginning Java

Null Pointer Exception

3 replies

Java in General

JNI (urgent please)

1 reply

Object Relational Mapping

retriving null object with another value object through expressions

7 replies

Java in General

What is the meaning of this regular expression?

24 replies

Struts

validating with struts giving javascript error

0 replies

EJB and other Jakarta/Java EE Technologies

validating with struts giving javascript error

0 replies

Swing / AWT / SWT

cant i change LAF at runtime?

7 replies

Programmer Certification (OCPJP)

split()

7 replies

Java in General

Placing results into an array list

4 replies

Java in General

Finding classes that match a user supplied regexp

4 replies

Beginning Java

nullpointer exceptions

1 reply

Swing / AWT / SWT

JTabbedPane method addTab in error

2 replies

Java in General

Loading same class by two different class loader (ClassCastException)

7 replies

Programmer Certification (OCPJP)

Method overloading ambuiguity question.

10 replies

HTML Pages with CSS and JavaScript

How to add items in the dropdown list dynamically on radio button selection

7 replies

Beginning Java

Problems with ArrayList

3 replies

Java in General

Method parameter question

8 replies

Programmer Certification (OCPJP)

Operators

11 replies

Java in General

java parsing using regular expression

7 replies

Swing / AWT / SWT

how one class Action Listener (button) call another class actionlister button

2 replies

Swing / AWT / SWT

Adding a progress bar to an otherwise non-gui app

12 replies

Other Open Source Projects

Copying a sheet from an excel file to another excel file using Apache POI

45 replies [ 1, 2 ]

Programmer Certification (OCPJP)

related to operators

1 reply

JDBC and Relational Databases

Number of Cursors exceeded exception due to another connection before closing the original one.

4 replies

HTML Pages with CSS and JavaScript

Probelm of calling AJAX

4 replies

Beginning Java

Rules round up question doubt

2 replies

Programmer Certification (OCPJP)

Precedence/Associativity

9 replies

Web Services

Problem passing object parameter to Ws method (JAX-RS + JAXB)

0 replies

EJB and other Jakarta/Java EE Technologies

auto commit within JTS transaction

10 replies

JDBC and Relational Databases

Data type mismatch in criteria expression while using Datetime column

4 replies

JSF

Getting Exception while invoking expression

0 replies

Beginning Java

logical operators..

3 replies

Java in General

set memory inside java program

3 replies

HTML Pages with CSS and JavaScript

Ajax and Servlets

4 replies

Java in General

convert C# regex into java regex

24 replies

Programmer Certification (OCPJP)

static method

3 replies

EJB and other Jakarta/Java EE Technologies

NoClassDefFoundError: javax.naming.InitialContext

2 replies

Programmer Certification (OCPJP)

overloaded methods

2 replies