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Java Console Class
The Java Console class is often using to get input from console. It provides methods to read text and password.
StreamTokenizer in Java
The StreamTokenizer class allows you to break an input stream into tokens such as words.
Java Regex or Regular Expression in java
Regular Expression used to define constraint on strings such as password and email validation.
Object Class in Java
By Default, the Object class is the parent class of all the classes in java or we say, it is the topmost class of java.
Working With BLOB(Binary Large Objects)
A BLOB is a build-in data type supported by the database implementing SQL 99 alias SQL3 Standards. A BLOB is used to store large binary data ,such as bit images,audios,and multimedia clips as the column value in a database table.
Using Cursor in CallableStatement
A cursor defines the runtime execution environment for query when the result of the query execution can be captured.
Callable Statement in Java
In Java, CallableStatement is used to call the stored procedures and functions by using an object of the CallableStatement Interface.
Synchronization in Java
Synchronization is required when more than one thread sharing the same resources .
Why String is Final in Java
As I said, there could be many possible answer of this question, and only designer of String class can answer it with confidence