response.setHeader(keys[i].toString(),value); in a servlet is throwing null pointer exception even though none of keys[i] or value 开发者_JAVA技巧are null why is it so?One of the following is true:
i am writing code for btree algorithms. i am getting NullPointerException . why???? please somebody help me...!
The following code prints null once. class MyClass { private static MyClass myClass = new MyClass(); private static final Object obj = new Object();
MyClass.java: package test; public class MyClass { public void myMethod(){ System.out.println(\"My Method Called\");
In the following code, i have a method to get a Vector of persons with the same zodiac sign. persoane is a Vector<Persoana>. I keep getting a NullPointerException at the if condition (persoane i
I have an activity which shows some List entries. When I click on a list item my app checks which connection type is available (\"WIF\" or \"MOBILE\"), through NetworkInfo.getTypeName(). As soon as I
In another method (ALGO_1) I search over elements of <background> and check the value H_NAME equals a value entered in the main. When I attempt to run the code, I get a null pointer exception. U
In my MIDLet I have an instance of the java class ImageFetcher called anImg. Also within my MIDLet I have a command that simply say\'s fetch, a CommandListener that when detects fetch was clicked runs
I keep receiving a java.lang.NullPointerException while trying to store thevalues into my Vector. Here is the XML document:
Would very much appreciate any help or hint on were to go next. I\'m trying to change the content of a row in ListView programmatically. In one row there are 3 TextView and a ProgressBar. I want to a
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