core java
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Collections
Get Synchronized List from ArrayList example
This is an example of how to get a synchronized List from an ArrayList. The Collections class provides us with…
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Collections
Get Enumeration from Collection example
In this example we shall show you how to get an Enumeration from a Collection. We are using an ArrayList,…
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Collections
Find minimum and maximum elements of Collection example
With this example we are going to demonstrate how to find minimum and maximum elements of a Collection. We are…
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Collections
Create List of n copies of an Object example
This is an example of how to create a List of n copies of an Object. We will use the…
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Collections
Create ArrayList from Enumeration example
In this example we shall show you how to create an ArrayList from an Enumeration. We will use a Vector…
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Collections
Copy Collection to another Collection example
With this example we are going to demonstrate how to copy a Collection to another Collection. In particular, we will…
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HashMap
Remove mapping from HashMap example
This is an example of how to remove mapping from a HashMap, that is removing a key value pair from…
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HashMap
Remove all mappings from HashMap example
This is an example of how to remove all mappings from a HashMap, that means removing all key value pairs…
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HashMap
HashMap Iterator example
In this example we shall show you how to use a HashMap Iterator. To use a HashMap one should perform…
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HashMap
Get size of HashMap example
With this example we are going to demonstrate how to get the size of a HashMap, that is the number…
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