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Quiz - Spring - 4
Select the right answer for below questions:
What is the purpose of the "eachWithIndex" method in Groovy?
To iterate through a list of elements and print the index of each element
To iterate through a map of elements and print the index of each element
To iterate through a list of elements and print the key of each element
To iterate through a map of elements and print the value of each element
To iterate through a list of elements and print the index of each element
What is the difference between a "static method" and an "instance method" in Groovy?
A static method can be called without creating an instance of the class, while an instance method requires an instance of the class to be created first
An instance method can be called without creating an instance of the class, while a static method requires an instance of the class to be created first
Static methods are faster than instance methods
Instance methods are faster than static methods
A static method can be called without creating an instance of the class, while an instance method requires an instance of the class to be created first
What is the purpose of the "println" method in Groovy?
To print the value of a variable
To print the type of a variable
To print a message to the console
To print a stack trace to the console
To print a message to the console
How can you define a variable with a default value in Groovy?
By using the "= defaultValue" syntax
By using the ": defaultValue" syntax
By using the "default defaultValue" syntax
By using the "set defaultValue" syntax
By using the "= defaultValue" syntax
How can you define a multiline string in Groovy?
By using single quotes ('...')
By using double quotes ("...")
By using triple quotes ('''...''')
By using quadruple quotes ("""...""")
By using quadruple quotes ("""...""")
What is the difference between a "Closure" and a "Function" in Groovy?
A Closure is a block of code that can be executed, while a Function is a named block of code that can be executed
A Function is a block of code that can be executed, while a Closure is a named block of code that can be executed
A Closure is a lambda expression, while a Function is a regular expression
A Function is a lambda expression, while a Closure is a regular expression
A Closure is a block of code that can be executed, while a Function is a named block of code that can be executed
How can you define a function that takes parameters in Groovy?
By using parentheses after the function name and placing parameter names inside, separated by commas
By using brackets after the function name and placing parameter names inside, separated by commas
By using curly braces after the function name and placing parameter names inside, separated by commas
By using angle brackets after the function name and placing parameter names inside, separated by commas
By using parentheses after the function name and placing parameter names inside, separated by commas
What is the difference between the "==" operator and the "equals" method in Groovy?
The "==" operator checks for reference equality, while the "equals" method checks for value equality
The "equals" method checks for reference equality, while the "==" operator checks for value equality
The "==" operator checks for both reference and value equality, while the "equals" method only checks for value equality
The "equals" method checks for both reference and value equality, while the "==" operator only checks for reference equality
The "==" operator checks for reference equality, while the "equals" method checks for value equality
What is the purpose of the "def" keyword in Groovy?
To define a variable
To define a constant
To define a function
To define the data type of a variable or function return value
To define the data type of a variable or function return value
How can you define a class in Groovy?
By using the "class" keyword followed by the class name
By using the "class" keyword followed by the class name and a set of curly braces
By using the "def" keyword followed by the class name
By using the "def" keyword followed by the class name and a set of curly braces
By using the "class" keyword followed by the class name
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