Java basic data types are predefined and implicit to the language. On the other end of the spectrum is the long primitive type. Its range is -2 63 to 2 63 – 1. This Java Example shows how to declare and use Java primitive long variable inside a java class. Integer Data Types in java stores positive and negative. The Long Primitive Type. The short data type in Java can have values from -32768 to 32767 (16-bit signed two's complement integer). Java Stream API was one of the important addition in Java 8 and provides a very efficient way to process collection of objects. There are eight primitive data types - byte, short, int, long, float, double, char and boolean. It stores a reference to an object containing a value (a "box"). The eight primitives defined in Java are int, byte, short, long, float, double, boolean, and char – those aren't considered objects and represent raw values.. This type represents extremely large integers where we might want values even greater than the int type can provide. Description. Stream, Stream, Stream making it … Primitive Data Types in Java. A long on the other hand, is a primitive type and part of the language itself. Primitive types are the most basic data types available within the Java language. Data types like byte, short, int, and long fall under this category of data types. It stores an actual value. Integer Data Types. ; If it's certain that the value of a variable will be within -32768 and 32767, then it is used instead of other integer data types (int, long).Default value: 0 The long type is a 64-bit signed integer which means the values range into the quintillions. This tutorial explains basic primitive data types (int, long, short, byte, char, boolean, float, double) with their size, range and default value. Java: Long (class) vs long (primitive) A Long is a class, or a reference type, defined in the standard library. How to convert Long object to numeric primitive types in Java? The eight primitives defined in Java are : boolean, byte, short, int, long, float, double, and char.These types directly contains the value of that type, and serve as the building blocks of data manipulation in Java. Primitive Data types in java can be subdivided into the following four groups: 1. The java.lang.Class.isPrimitive() determines if the specified Class object represents a primitive type.There are nine predefined Class objects to represent the eight primitive types and void. Java supports eight basic primitive data types. The long data type is a 64-bit signed Java primitive data type. 3. short type. Java long Example. It is used when the result of calculations on whole numbers may exceed the range of the int data type. 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