Welcome to CHOOLS JAVA ASSESSMENT (YOU HAVE ONLY 30 MINUTES TO COMPLETE THIS PART [20 Questions]) **** Wishing You All The Best **** Instructions : To start the quiz, please provide your name, email id and phone number. All questions are mandatory* Answering each question is required before going on to the next page of questions. Your response is subject to change at any time. After completed the quiz click the submit button. If, once the time is up, it will be automatically submitted. The report will be mailed to your email address after the quiz is finished. 1. Multiline comment is created using ___. // /* */ <!-- -- > All of these2. Boxing is ___. Creating new box Creating object Converting primitive type of object instance All of these3. Is string mutable in Java? Yes No4. What is the entry point of a program in Java? main() method The first line of code Last line of code main class5. BigInteger Class is used to ___. Store very long range of number Store integer values A class that stores large range of integer All of these6. Array in java is ___. Collection of similar elements Collection of elements of different types The data type of consisting of characters None of these7. How can we access methods for file handling in java? Java.files Java.io Java.io.File Java.FileHandling8. Which of the following can be declared as final in java? Class Method Variable All of these9. Static variables in java are declared as ___. final variables new variables Constants All of these10. Which of these is the correct method to create an array in java? int[] arr = {1, 3, 5}; int[] arr; arr = new int[] {3, 1, 8}; int arr[] = {1, 4, 6}; All of these11. 'this' keyword in java is ___. Used to hold the reference of the current object Holds object value Used to create a new instance All of these12. Which is the correct absolute path of a file in Java? C:\Program Files\Java\jdk1.8.0_131\bin\file_name.txt C:\Program Files\Java\file_name.txt C:\Program Files\Java\jdk1.8.0_131\file_name.txt C:\Program Files\Java\jdk1.8.0_131\bin\File Handling\file_name.txt13. The super() method is used to ___. Call constructor of friend class Is a declared method Call constructor of the parent class Call constructor14. JRE stands for ___. Java run ecosystem JDK runtime Environment Java Runtime Environment None of these15. Which keyword in java is used for exception handling? exep excepHand throw All of these16. What makes the Java platform independent? Advanced programming language It uses bytecode for execution Class compilation All of these17. Can the main() method be overloaded in Java? Yes No18. Which of the following is the correct syntax to create a variable in Java? var name; int name; var name int; All of these19. Which type of casting is lossy in Java? Widening typecasting Narrowing typecasting Manual typecasting All of these20. The 'super' keyword is used to ___. Access instance of the parent class Access instance of the same class Access instance of child class Access instance of friend class5 out of 4
