What is an objects in Java?

A Java object is a member (also called an instance) of a Java class . Each object has an identity, a behavior and a state. The state of an object is stored in fields (variables), while methods (functions) display the object’s behavior. Objects are created at runtime from templates, which are also known as classes.

Read more

What are data types in Java?

Primitive Data Types Data TypeSizeDescriptionbyte1 byteStores whole numbers from -128 to 127short2 bytesStores whole numbers from -32,768 to 32,767int4 bytesStores whole numbers from -2,147,483,648 to 2,147,483,647long8 bytesStores whole numbers from -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807Java Data Types – W3Schools www.w3schools.com › java › java_data_types

Read more

Can object be a data type?

The Object data type can point to data of any data type , including any object instance your application recognizes. Use Object when you do not know at compile time what data type the variable might point to. The default value of Object is Nothing (a null reference).

Read more

How do you find the type of object?

Use the typeof operator to get the type of an object or variable in JavaScript . The typeof operator also returns the object type created with the “new” keyword. As you can see in the above example, the typeof operator returns different types for a literal string and a string object.

Read more