In the above code we globally created a static variable sr and in the static block we printed sr bu the output is 'null' because after printing new line (i.e System.out.println (sr);) we are creating ...

Reference variables store references or pointers to objects, such as arrays, strings, or user-defined classes. An object is a complex data structure that consists of fields (attributes) and ...

When a variable containing the object’s reference goes out of scope (e.g., a method returns, and the variable was local to that method), the reference count decrements.

Java provides a way for the programmer to exercise control over memory management by marking certain objects as expendable via reference objects. Should an application’s memory requirements ...