Home » Quizzes & Surveys » Java Quiz Java Quiz Welcome to your Java Quiz. This quiz consists of 25 multiple-choice questions. There is no negative marking in this. Click on NEXT button to Start this Java Quiz. 1. An object could be an algorithm a data container a program anything2. Which of the following is not a Java keyword try static new integer3. The class whose properties are inherited are is known as i. Sub classii. Super classiii. Base class ii & iii i & iii i & ii None of the above4. Static methods cannot be accessed directly from the class level Yes No5. Can you save the java source file without any name (say ".java")? Yes No6. If you want your condition to depend upon 2 conditions both being true, what is the proper notation to put between the two Boolean statements | || & &&7. Runtime polymorphism can be achieved by data members Yes No8. Can you compare between the boolean and int primitive data types? Yes No9. An object which has no referrence is known as annonymous object True False10. Which statement is correct The JRE is smaller than the JDK so it needs less Disk space. The JRE is smaller than the JDK so it needs more Disk space. The JDK needs less Disk space as it doesn't contains the JRE. None of the above11. Choose the appropriate data type for this value 9.9 String int double boolean12. Which of the following is not a part of OOPs Type checking Polymorphism Multitasking Information hiding All of the above13. What is the size of a char in Java 4 bits 6 bits 8 bits 16 bits14. What are the two common characteristics shared by all objects in Java? State and behavior Methods and interfaces Class and Methods Methods and messages15. Java keywords are written in lowercase as well as upper case True False16. Java runs on which platform Windows Unix/Linux Mac All of the above17. An object that has more than one form is referred to as Abstract class Inheritance Interface Polymorphism18. What is the correct syntax for java main method? public static Void main (string [] args) public static void main (string [] args) public static void main (String [] args) public static void main (String [] Args)19. Can we have any number of classes in a Java source file Yes No20. Annonymous object can be used at the time of object creation only True False21. Data hiding is also known as Encapsulation Inheritance Data binding22. When a class is based on another class, it inherits Data Methods Data and methods None of the above23. Who is known as the founder of Java James Gosling Guido Van Rossum Doug Cutting24. The class which inherits the properties of other is known asi. Super classii. Sub classiii. Derived class ii & iii i & ii i & iii25. What is the default value of the local variables? 0 null no default value depends on the data type
