In HashTable I am storing null value..then what is the
error it will show
Answers were Sorted based on User's Feedback
Answer / mvteja
Hashtable does not contain null value. if v try to store
null value, v will get the following error.
F:\Test>javac -d . Test.java
F:\Test>java a.b.c.Test
Exception in thread "main" java.lang.NullPointerException
at java.util.Hashtable.put(Unknown Source)
at a.b.c.Test.<init>(Test.java:18)
at a.b.c.Test.main(Test.java:27)
F:\Test>
| Is This Answer Correct ? | 16 Yes | 0 No |
Answer / karthik
Normally hastable doen't allow null value, it will through
run time exception like NullPointerException
| Is This Answer Correct ? | 1 Yes | 0 No |
what are memory considerations of jsp compares to other web components?
what is the use of State Factories?
What is the difference between RMI and Socket?
Hello, I'm java developer. My skill is programming with java,jsp, struts, struts2+spring, hibernate, eclipse, tomcat, mysql,Oracle,Middlegen and other open source technology. I'm interest work any web base project that use my ability above. The thing is that I have never got any chance to work in this field though i am very much comfort with my skills. So if any body want me then i will happily join you. Also I have also some of my friends if you. If you interest to outsource any project to me then also you are welcome. you can reach me by email at me4bangalore@yahoo.in
What is RRL?
life cycle of an applet?
What will happens, when a thread cannot acquire a lock on an object?
In inglish: How to convert jar to exe files? Em português: Como converter arquivos .jar para .exe?
can any one tell me how to learn good coding techniques
What are the types of scaling?
What is resource bundle?
What happens when a thread cannot acquire a lock on an object?