Is object null in Java?

Is null an Object in Java? No it’s not , and for those who wonder why such a question, there are languages where null is indeed an object like any, for example Ruby. In Scala, which is very meticulous about types, there is a type Null (a trait, actually) having a single instance null .

Read more

What is isNull in Java?

isNull() The javaLib. isNull() system function returns a value (1 for true, 0 for false) to indicate whether a specified identifier in the EGL Java™ object space refers to a null object . For more about the EGL Java object space in which javaLib.

Read more

What are 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