jeanjiang

@jeanjiang (30)

China • Age 41

Joined myLot 15 years ago

All Activity

Comments (13)

jeanjiang's Comments

jeanjiang @jeanjiang (30) • China 5 May 11

Java Collection consists of List, Set and Map. So, what are the similarities and the differenece between List, Set and Map.

collection

1 response

jeanjiang understanding the similarities and differences can help us use Java Collection easily.

8 May 11

What is the architecture fo Java Collection?

jeanjiang @jeanjiang (30) • China 5 May 11

Java Collection is very useful in Java Language. I want to learn it. Is there any body can tell me what is the architecture of Java Collection.

collection

1 response

jeanjiang After reading your answer, I can understand Java Collection Framework well.

8 May 11

What is the standard way to get or set a property of a bean?

jeanjiang @jeanjiang (30) • China 5 May 11

Package - java.beans can use Class - Expression and Statement to get and set a property of a bean. It is the standard way. Does any one can give me some examples about it.

bean

1 response

jeanjiang Actually, it is a good may to use standard method to getting and setting a property of a Java Bean.

8 May 11

How to implement a constrained property or implement a bound property?

jeanjiang @jeanjiang (30) • China 4 May 11

Java Bean has constrained property and bound property. How to implement a constrained property or implement a bound propery?

bean

1 response

jeanjiang Thanks, your answer really gives me more understanding about how to implement a constrained property and implement a bound property.

8 May 11

What are the detail meanings of Java Bean properties?

jeanjiang @jeanjiang (30) • China 4 May 11

Java Bean has four properties, simple properties, bound properties, constrained properties, indexed properties. But What are the detail meanings of Java Bean properties?

bean

1 response

jeanjiang Thanks for your answer. Now, I understand Java Bean properties well.

8 May 11

What is the standard way to instantiate a Java Bean?

jeanjiang @jeanjiang (30) • China 30 Apr 11

We can treat a Java Bean as a common Java object, and instantiate it by Java key word - new. But Java Bean is different from common Java object. So what is the standard way to instantiate a Java Bean?

java bean

1 response

jeanjiang There are a lot of ways to instantiate a Java Bean. But using the standard is what we need to do.

4 May 11

What is Java Introspecter, and where can we use it?

jeanjiang @jeanjiang (30) • China 30 Apr 11

Introspecter is a feature of Java Bean. I just heard about it. So, what is Java Introspecter and where can we use it?

java introspector

1 response

jeanjiang Thanks for your answer. It really tells me what is Java Introspector.

4 May 11

Java Stack and Queue

jeanjiang @jeanjiang (30) • China 25 Apr 11

From Data Construction, I learned two constructions - Stack and Queue. Stack is FILO and Queue is FIFO. In Java, if we want to use Stack and Queue, do we need to create two classes to implement these two construction, or we can...

queue

stack

1 response

jeanjiang Hi jackycui, After reading your answer, I know Stack and Queue clearly.

30 Apr 11

How to make element unique in Java Collection?

jeanjiang @jeanjiang (30) • China 24 Apr 11

Java Collection can store many elements. Some Collection like Set must guarantee element unique. So, I want to know how to make it? In Java, which code can implement this function?

1 response

jeanjiang Hi jackycui, Thanks for your good answer.

30 Apr 11

are there any other ways to get/set a Java Bean

jeanjiang @jeanjiang (30) • China 24 Apr 11

Java Bean is a criterion a Java object. We can access a Java Bean with the simple way, treating a Java Bean as a Java object. My question is that is there any other way to access a Java Bean. Because I think Java Bean...

3 responses

jeanjiang Thanks owlwings, your answer lets me understand Java Bean deeply.

24 Apr 11

Comparable and Comparator

jeanjiang @jeanjiang (30) • China 24 Apr 11

When I start to sort a collection, I can use Class - Comparable or Comparator. My question is what is difference between Comparable and Comparator?

2 responses

jeanjiang Thanks jackycui, your article gives me a clear cognition about Comparable and Comparator

24 Apr 11

About Java package - java.beans

jeanjiang @jeanjiang (30) • China 17 Apr 11

Hi guys, Now in my process of learning Java, I meet some confusion about Java package - java.beans. I want to ask "What is Java Bean? Where do we need to use it". I think it is a fundamental knowledge in Java. If you have...

1 response

jeanjiang Hi jackycui, I will visit your blog, and learn the knowledge of Java Bean.

21 Apr 11

[Help]How to list the Property Names of a Bean

jeanjiang @jeanjiang (30) • China 16 Apr 11

I am learning the knowledge of Java Bean. I want to implement the function of listing the property names of Java Bean. Any one can help me? Thanks very much.

1 response

jeanjiang Thanks jackycui, I have read these articles and I find they illustrate the knowledge of Java Bean correctly and give many useful examples. I think they are what I want.

20 Apr 11