Meaning Mirror image of a 2d array is another array whose columns are interchanged, meaning elements of first column become the elements of last column, elements of second column become…
Immutable object : Meaning Literal meaning of the word immutable is "not changing", "unable to be changed". When relating this word to a java object, it means an object whose…
:last Selector - Meaning and Usage :last selector fetches the last element from the collection of elements matched using a selector. Example, $("span") will select all span elements on the…
Meaning of @Override annotation @Override annotation is used over methods defined in a class. When this annotation is written over a method, then this method : Might be declared in…
Scenario Suppose your application starts a process (a server embedded in the application, let's say). The application may be running from a command line interface or a GUI. Now, you…
What is a Lambda expression Suppose you have an interface which contains declaration of a method. Now, in order to define this method and call it, what steps will you…
Monitoring directory : Meaning & Reason Monitoring a directory or a folder means keeping a watch on that directory for events such as a new file created, a file removed…
continue is a keyword in java which is used inside loops(for, while and do-while). Please note that continue can only be used inside loops. Using continue outside a loop will…
break is a keyword in java which is used inside loops(for, while and do-while). Please note that break can be used inside loops and switch statement while continue can only…