Practice Calling Java From Javascript (29.5) - Introduction to Scripting in Java (e.g., JavaScript Engine)

Practice: Calling Java from JavaScript

Lesson 29.5Introduction to Scripting in Java (e.g., JavaScript Engine)

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10 questions

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Exercise
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Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is Nashorn?
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Think about it as a bridge between Java and JavaScript.
Question 2.
How do you create a Java object in JavaScript using Nashorn?
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Recall the syntax we discussed in class.
3Question 3.
What is the primary function of the Nashorn engine?
- To compile Java
- To execute JavaScript in Java
- To run Python scripts
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Focus on the primary purpose of Nashorn.
4Question 4.
True or False: Nashorn supports calling Java methods from JavaScript.
- True
- False
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Consider the integration capabilities of Nashorn.
Question 5.
Create a Nashorn script that dynamically creates and manages a directory with multiple text files, implementing functionality to list the files in the directory.
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Consider how to check for a directory's existence and create files within it.
Question 6.
Build a Nashorn script that accepts user input to create a customized greeting. It should leverage Java's Scanner class, and take the user's name as input.
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Look to import necessary Java classes for input handling.

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