Practice Invoking Script Functions From Java (29.6) - Introduction to Scripting in Java (e.g., JavaScript Engine)

Practice: Invoking Script Functions from Java

Lesson 29.6Introduction to Scripting in Java (e.g., JavaScript Engine)

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9 questions

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6 sample questions

Question 1.
What is the Invocable interface used for?
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Think about calling functions from scripts.
Question 2.
How do we make a JavaScript function available in Java?
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Remember the engine we discussed.
3Question 3.
What is the purpose of the Invocable interface?
- To evaluate scripts
- To invoke script functions
- To manage script bindings
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Think about function interaction capabilities.
4Question 4.
True or False: The greet function can be called from Java if it is not evaluated.
- True
- False
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Remember the sequence of actions required.
Question 5.
Define a JavaScript function that calculates the factorial of a number. Write Java code to invoke this function for the number 5.
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Think about how recursion works.
Question 6.
Create a script where a user can input a mathematical operation (addition, subtraction), and the Java program invokes this based on user input.
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Consider how you accept parameters and use conditional checks.

5 more questions in this section. Enroll free to practise them all.