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Java Collection Q&A » Map » property 

1. mapping data in properties files    stackoverflow.com

I have the following data:

User   System    SubSystem
user1  System1   SubSystem1
user2  System1   SubSystem2
user3  N/A       N/A
and ...

2. Why does java.util.Properties implement Map and not Map    stackoverflow.com

The java.util.Properties class is meant to represent a map where the keys and values are both Strings. This is because Properties objects are used to read .properties files, which are text ...

3. Object's property is changed in the Map even without using put()?    stackoverflow.com

Hi I got the code from a book:

public class Container {

    Map<String, Object> components;

    public Container() {
     components = new HashMap<String, ...

4. Pulling values from a Java Properties file in order?    stackoverflow.com

I have a properties file where the order of the values is important. I want to be able to iterate through the properties file and output the values based on the ...

5. Parse Map from properties files    stackoverflow.com

This is a follow-up to my previous question (found here). My properties files so far consists of simple key-value pairs, like ints and Strings. I would now like to use ...

6. Mapping deep properties with intermediate collections in dozer    stackoverflow.com

Suppose I have the following classes

public class Baz {
  private List<Foo> foos = new ArrayList<Foo>();
}

public class Foo {
  private String string;
}

public class Target {
  private List<String> fooStrings = ...

7. Why do some APIs (like JCE, JSSE, etc) provide their configurable properties through singleton maps?    stackoverflow.com

For example:

Security.setProperty("ocsp.enable", "true");
And this is used only when a CertPathValidator is used. I see two options for imporement:
  • again singleton, but with getter and setter for each property
  • an object containing the properties ...

8. Programmatic property setting for maps in Hazelcast?    stackoverflow.com

Is there a way to programmatically set the "time to live" property (or in fact, any property) for a distributed map in Hazelcast? I want to avoid having to change the Hazelcast ...

9. How to get back Map from .txt file use Properties?    stackoverflow.com

This is code to write hashtable to .txt file !

public static void save(String filename, Map<String, String> hashtable) throws IOException {
    Properties prop = new Properties();
    ...

10. When to use Properties and when Map in Java?    stackoverflow.com

Difference between Map and Properties as both have key-value pair.

11. Jaxb 2 mapping different element to the same property    stackoverflow.com

I wonder if this is possible in jaxb2. I have a xml that can be either < element > or < element2 > it will never apear at the some time. ...

12. JAXB: Mapping separate date and time elements to one property    stackoverflow.com

I'm working with a XML structure that looks like this:

<ROOT>
    <ELEM_A>
        <A_DATE>20100825</A_DATE>
        <A_TIME>141500</A_TIME>
  ...

13. Configuration properties using the same key to create an array / list    stackoverflow.com

I would like to store the source for html select boxes in a configuration file. These contain a lengthy strings that doesn't change often (but occassionaly do):

  • Lorem ipsum sit amet nr. ...

14. Dozer - deep property mapping within list    stackoverflow.com

I have the source object

Class A{
    List<Foo> abc;
    String string;
}

Class Foo{
    Integer num;
}
that I want to map to the destination objects:
Class B{
 ...

15. In Java, how to compare two object and return Map or Xml, Json of properties which is the difference between two object?    stackoverflow.com

In Java, how to compare two object and return Map or Xml, Json of properties which is the difference between two object ? Example : I have object 1 :

public class User {

 ...

16. Jaxb namespaces for java.util.Map properties    stackoverflow.com

I have a simple class that contains a hashmap:

@XmlRootElement()
public class Customer {

    private long id;
    private String name;

    private Map<String, String> attributes;

 ...

17. Can/Should I list inherited properties for a JAXB mapped bean in the "propOrder" annotation?    stackoverflow.com

I have a bunch of JAXB annotated classes that have a field in common, so I moved that field to a super class, like this

public class Base {
    ...

18. Converting a Java Map object to a Properties object    stackoverflow.com

Is anyone able to provide me with a better way than the below for converting a Java Map object to a Properties object?

    Map<String, String> map = new ...

19. create property fiel with Map    coderanch.com

Class Properties is an old class, it already existed in Java 1.0, before the time when the collections framework was added to Java (which was in Java 1.2) - that's why it extends the legacy collection class Hashtable. In the current version of Java, it also implements Map, as the documentation says.

20. Map, Properties or List?    forums.oracle.com

Hi, I am developing a very simple NumberGuessing game. I need to generate and store a HighScore list where I save the followinging info: 1) How many guesses the player needed to guess the correct number.. 2) Name of the player... What should I use to solve this? I need to store the info persistent, so I was thinking about storing ...

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