Home
Java
2D Graphics GUI
3D
Advanced Graphics
Ant
Apache Common
Chart
Class
Collections Data Structure
Data Type
Database SQL JDBC
Design Pattern
Development Class
EJB3
Email
Event
File Input Output
Game
Generics
GWT
Hibernate
I18N
J2EE
J2ME
JavaFX
JDK 6
JDK 7
JNDI LDAP
JPA
JSP
JSTL
Language Basics
Network Protocol
PDF RTF
Reflection
Regular Expressions
Scripting
Security
Servlets
Spring
Swing Components
Swing JFC
SWT JFace Eclipse
Threads
Tiny Application
Velocity
Web Services SOA
XML
Menu
HashMap « Collections Data Structure « Java
Java
Collections Data Structure
HashMap
1.
Iterate through the values of Java HashMap example
2.
Get Synchronized Map from Java HashMap example
3.
Check if a particular key exists in Java HashMap example
4.
Check if a particular value exists in Java HashMap example
5.
Get Set view of Keys from Java HashMap example
6.
Get Size of Java HashMap
7.
Remove all values from Java HashMap example
8.
Remove value from Java HashMap
9.
Create Java Hashtable from HashMap
10.
Sort an HashMap based on the keys
11.
For keys of a map
12.
For values of a map
13.
For both the keys and values of a map
14.
Storing Primitive Types in a Collection
15.
Creating a Copy of a Collection: the objects are not cloned.
16.
Use Iterator to loop through the map key set
17.
Generic hashmap with String as key and Integer as value
18.
Get key set and value set from map and use Iterator to loop through them
19.
Clones a map
20.
Hash map for counting references to Object keys.
21.
Extended Version of java.util.HashMap that provides an extended get method accpeting a default value.
22.
Compact HashMap
23.
This class wraps a HashMap and provides methods by which key objects can be associated with "counting" values.
24.
This extension of HashMap support duplicate keys
25.
Concurrent Hopscotch HashMap