Called primitive types, integral and ... a type’s implementation. In Java, encapsulation basically translates to this simple guideline: “Don’t access your object’s data directly; use ...

Even the most complicated classes in Java can be flattened down to nothing more than the set of primitive data types they represent. But primitive types aren’t objects, and that presents a problem.

Therefore, even though Java passes parameters to methods by value, if the variable points to an object reference, the real object will also be changed. Like object types, primitive types are also ...

An object, on the other hand ... An example is String. This is not a primitive type in Java, but rather a reference type: in this case it “points” to a class that can have multiple values ...

When no explicitly defined constructors exist, Java's virtual machine makes object creation possible by providing ... The null Unicode character of the char primitive type is not visible in the output ...