How to Convert a Map to a List in Java Example

Map and List are two common data structures available in Java and in this article we will see how can we convert Map values or Map keys into List in Java. The primary difference between Map (HashMap, ConcurrentHashMap or TreeMap) and List is that Map holds two objects...

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How to convert String or char to ASCII values in Java

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You can convert a character e.g. 'A' to its corresponding ASCII value 65 by just storing it into a numeric data type e.g. byte, int or long as shown below : int asciiOfA = (int) 'A'; Here casting is not necessary, simply assigning a character to integer is...

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Different Types of JDBC Drivers in Java

There are mainly 4 types of JDBC drivers in Java, those are referred as type 1 to type 4 jdbc drivers. I agree its easy to remember them by type rather than with there actual name, Which I have yet to get in memory except plain old JDBC-ODBC...

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