Learn the meaning and usage of the word types in different contexts, such as printing, biology, linguistics, and theology. Find synonyms, related terms, and idioms for types . Learn the meaning of type as a noun and a verb in English, with synonyms, antonyms, and related words. See how to use type in different contexts, such as groups, printed letters, and writing. Java Data Type Categories Primitive Data Type: These are the basic building blocks that store simple values directly in memory. Examples of primitive data types areboolean, char, byte, short, int, long, float and double. Non-Primitive Data Types (Object Types ): These are reference types that store memory addresses of objects. Examples of Non-primitive data types are String, Array, Class, Interface and Object There are several types of words that perform different grammatical jobs in a phrase, clause or sentence. The main types of words are as follows: nouns, verbs, adjectives, adverbs, prepositions, determiners, pronouns and conjunctions.