
What is the meaning of "this" in Java? - Stack Overflow
this is a keyword in Java. Which can be used inside method or constructor of class. It (this) works as a reference to a current object whose method or constructor is being invoked. this keyword …
What does the 'static' keyword do in a class? - Stack Overflow
43 The static keyword in Java means that the variable or function is shared between all instances of that class as it belongs to the type, not the actual objects themselves. So if you have a …
java - What is the volatile keyword useful for? - Stack Overflow
I came across the volatile keyword in Java. Not being very familiar with it, I found this explanation. Volatile variables are a simpler -- but weaker -- form of synchronization than locking, which...
Why does Java have transient fields? - Stack Overflow
May 26, 2009 · The transient keyword in Java is used to indicate that a field should not be part of the serialization (which means saved, like to a file) process. From the Java Language …
java - When should I use "this" in a class? - Stack Overflow
Mar 10, 2010 · Offical java documentation page on this provides same use-cases. Within an instance method or a constructor, this is a reference to the current object — the object whose …
Var keyword in Java - Stack Overflow
Jul 24, 2020 · With Java 10 or +, we can use var keyword for declaration. At initialization, a type is going to be inferred by the compiler. What happens when the class I instantiate and assign to …
In laymans terms, what does 'static' mean in Java?
The static keyword can be used in several different ways in Java and in almost all cases it is a modifier which means the thing it is modifying is usable without an enclosing object instance. …
java - What does 'synchronized' mean? - Stack Overflow
Jul 6, 2009 · 35 Overview Synchronized keyword in Java has to do with thread-safety, that is, when multiple threads read or write the same variable. This can happen directly (by accessing …
How does the "final" keyword in Java work? (I can still modify an ...
In Java we use final keyword with variables to specify its values are not to be changed. But I see that you can change the value in the constructor / methods of the class. Again, if the variable is
java - What does "Throws" do and how is it helpful? - Stack Overflow
Aug 28, 2013 · I am new to Java and have just came across a tutorial which uses the"Throws" keyword in a method. I have done a little research into this but still do not really understand it. …