Table of Contents
What is transient keyword?
transient is a variables modifier used in serialization. At the time of serialization, if we don’t want to save value of a particular variable in a file, then we use transient keyword. When JVM comes across transient keyword, it ignores original value of the variable and save default value of that variable data type.
What is difference between volatile and transient?
In this article, we will see the difference between the keywords volatile and transient….Output:
|It cannot be used with the static keyword as static variable do not belong to individual instance. During serialization, only object’s current state is concerned.||It can be used with the static keyword.|
What is volatile keyword example?
Using volatile is yet another way (like synchronized, atomic wrapper) of making class thread safe. Thread safe means that a method or class instance can be used by multiple threads at the same time without any problem. Consider below simple example.
What is the difference between volatile and static keywords?
volatile variable value access will be direct from main memory. It should be used only in multi-threading environment. static variable will be loaded one time. If its used in single thread environment, even if the copy of the variable will be updated and there will be no harm accessing it as there is only one thread.
What is transient and volatile in Java?
1) transient keyword is used along with instance variables to exclude them from serialization process. If a field is transient its value will not be persisted. On the other hand, volatile keyword is used to mark a Java variable as “being stored in main memory”.
What is volatile keyword in C with example?
C’s volatile keyword is a qualifier that is applied to a variable when it is declared. It tells the compiler that the value of the variable may change at any time–without any action being taken by the code the compiler finds nearby.
What is volatile keyword used for?
Volatile keyword is used to modify the value of a variable by different threads. It is also used to make classes thread safe. It means that multiple threads can use a method and instance of the classes at the same time without any problem. The volatile keyword can be used either with primitive type or objects.
What is volatile and transient in Java?
How are transient and volatile keywords used in Java?
volatile and transient keywords. 1) transient keyword is used along with instance variables to exclude them from serialization process. If a field is transient its value will not be persisted. On the other hand, volatile keyword is used to mark a Java variable as “being stored in main memory”. Every read of a volatile variable will be read from
Can a transient keyword be used with static keyword?
1) An Access modifier transient is only applicable to variable component only. It will not used with method or class. 2) Transient keyword cannot be used along with static keyword. 3) What is serialization and where it is used?
Can a transient keyword be applied to a member variable?
Transient keyword can only be applied to fields or member variables. Applying it to the method or local variable is a compilation error.
Is the volatile keyword the same as static modifier?
Note that volatile should not be confused with static modifier. static variables are class members that are shared among all objects. There is only one copy of them in main memory. Before we move on let’s take a look at two important features of locks and synchronization.