Author: K Z

The find method finds the first value in a collection that matches some criterion. Syntax Object find(Closure closure) Parameters The condition to be met by the collection element is specified in the…

A closure is a short anonymous block of code. It just normally spans a few lines of code. A method can even take the block of code as a parameter.…

Traits are a structural construct of the language which allow − Composition of behaviors.Runtime implementation of interfaces.Compatibility with static type checking/compilation They can be seen as interfaces carrying both default…

Generics enable types (classes and interfaces) to be parameters when defining classes, interfaces and methods. Much like the more familiar formal parameters used in method declarations, type parameters provide a…

In Groovy, as in any other Object-Oriented language, there is the concept of classes and objects to represent the objected oriented nature of the programming language. A Groovy class is…

Exception handling is required in any programming language to handle the runtime errors so that normal flow of the application can be maintained. Exception normally disrupts the normal flow of…

A regular expression is a pattern that is used to find substrings in text. Groovy supports regular expressions natively using the ~”regex” expression. The text enclosed within the quotations represent…

Sets this Date object to represent a point in time that is time milliseconds after January 1, 1970 00:00:00 GMT. Syntax public void setTime(long time) Parameters time − the number of…

Returns the number of milliseconds since January 1, 1970, 00:00:00 GMT represented by this Date object. Syntax public long getTime() Parameters None. Return Value The number of milliseconds since January 1, 1970,…

Tests if this date is before the specified date. Syntax public boolean before(Date when) Parameters when − a date. Return Value True if and only if the instant of time represented…