Default value: 0.0d. Example: double d1 = 123.400778 We use this data type to store characters. This is not the same as the char in C/C++. Java uses a UNICODE, internationally accepted character set.

Type inference in Java happens when the JDK’s compiler, rather than the developer, assigns a data-type to a variable. As you can see in the following var examples, the left-hand side of the assignment ...

In Java language, primitive data types are the building blocks ... The Boolean data type specifies one bit of information, but its "size" can't be defined precisely. The byte data type is an example ...