Data Types in Java Every variable in java has a data type. Data types specify the size and type of values that can be stored in an identifier. Java language is rich in its data types. The variety of ...

Boolean values are set to false, and reference types are set to null. The null Unicode character of the char primitive type is not visible in the output. The default constructor in Java initializes ...

If all of the values fall within the range of a float, it makes sense to use the smaller Java data type in this situation, otherwise the array elements needlessly consume memory.