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D) None of the above 13) C. final Explain where variables are created in memory?Answer: When we declare variables are created in the stack. D) pre incrementation. B) simple Explain creating threads by implementing Runnable class?Answer: This is the first and foremost way to create threads. Online Java Quiz Questions. { B) Converts a java program into bytecode 5. When none of these are used, it’s called default access modifier. else What is the default return type of main(). What is JVM? 10. 5. C) i-true, ii-true, iii-true, iv-true Does Java support multiple inheritances?Answer: Java doesn’t support multiple inheritances. 3. B) java.util.Name B) HTML, Java If there is an exception thrown in try block finally block executes immediately after the catch block. What is the priority of the Garbage collector thread of JDK? 14. A) program D) All the above i) default ii) abstract iii) protected iv) interface v) public. ii) is a small pluggable extension to a server that enhances functionality A) Break 7. 8. 13. a package statement must be the first statement in the source file. We want to leave the implementation to a class that extends it. B) Simple If you select the right option, it turns green; else red. If you are an aspiring Java Developer, it is very important for you to have a strong knowledge of these core concepts before you appear for an interview.Through the medium of this article, I will share the Top 50 Java Collections Interview Questions and Answers … c) Javap 3) runs java bytecode Where can I get Java Programming Interview Questions and Answers (objective … 3. { 8. B) i-false,ii-true abstract class print } A) Faster than others 2. A) two methods defined in that interface 3) WAP to input any number „n‟ … Exceptions which cannot be recovered are called as errors in java.Ex: Out of memory issues. Java support RMI. ; Programming Questions: A lot of programming questions to refresh your skills, these days programming questions are asked a lot in interviews. B) java 32. 1. What is the difference between access specifiers and access modifiers in java?Answer: In C++ we have access specifiers as public, private, protected and default and access modifiers as static, final. 14. i) Data members of an interface are by default final A) Interpreter Java Programming Multiple Choice Questions. A) JDBC calls, ……protocol, 1. C) The code will compile correctly and will print “In first main()” (without quotes) .. run D) nonjava, Answers: Advanced Java Programming Multiple Choice Questions With Answers Pdf And Principle Of Self Defense Philosophy is best in online store. D) Wrong. D) All of the above. B) Debug a java program (NumberFormatException)3) The invalid casting of class(Class cast Exception)4) Trying to create an object for interface or abstract class(Instantiation Exception). 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C) Test class should be declared as abstract A) break; B) Throwable When errors are caused by our program we call that as Exception, but some times exceptions are caused due to some environmental issues such as running out of memory. B).MDB In how many ways we can do synchronization in java?Answer:There are two ways to do synchronization in java:1) Synchronized methods2) Synchronized blocksTo do synchronization we use the synchronized keyword. 2. A) i-false, ii-false What value does read Line() return when it has reached the end of a file?Answer:The readLine() method returns null when it has reached the end of a file. D) five Answer: BigDecimal, if memory is not a concern and Performance, is not critical, otherwise double with predefined precision. What is the error in the following code? D) init method C) The program won’t run public class MyClass{ A) all methods, RemoteException public static void main(String args[]){ B) Will not compile because the class is not declared public. 8. 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Methods can be overloaded with a difference only in the type of the return value, D) None of the above Which of the following represent legal flow control statements? A) i, ii & iii are true What is the right data type to represent a price in Java? This section provides a great collection of JAVA Multiple Choice Questions (MCQs) on a single page along with their correct answers and explanation. Java was developed by the company. C) i-true, ii-false D) com. C) editing tools 8. D) parameterized, 2. i) All class variables are instance variables 10.B) public void myMethod(int a, int b); 1. When a thread blocks on I/O, what state does it enter?Answer: When it blocks on I/O, A thread enters the waiting state. i) init() is called after start() in applet D) java.lang is a feature that allows one interface to be used for a general class of actions. D) Java loc, 9. What is clipping?Answer: Clipping is the process of confining paint operations to a limited area or shape. D) none of the above, 9. break statement is used to 5. C) Wrong. D) Java is not robust. D) No error. 8. This raises a compile-time error if we try to handle checked exceptions when there isno possibility of causing an exception. These frequently asked sample questions on Java are given with correct choice of answer that you can check instantly. System.in.read() is being used, the program must specify the ……………… clause. C) A method is not defined properly C) an interface that defines methods to open files. 8) In Java thread to thread, communication is called …. 3. Java is the high-level, object-oriented, robust, secure programming Attachment of PDF files on JAVA programming ensures easy handling of the study material for the users to study. The class string belongs to ………………. Java has its origin in 2. 18. File Type PDF Advanced Java Programming Question Bank With Answer. A).DAT B) i, iii & iv are true We get the following error. B) nested classes 3. C) Hardware 2. At that moment we make vehicle class abstract. The new operator dynamically allocates …………..for an object and returns a reference to it. The JDBC-ODBC bridge allows ……….. to be used as ……….. Java Servlet What does null mean in java?Answer:When a reference variable doesn’t point to any value it is assigned null.Example: Employee employee;In the above example employee object is not instantiate so it is pointed nowhere. A) Break Question 3. IndiaBIX provides you lots of fully solved Java Programming questions and answers with explanation. A) Serialization, persistence Any class that contains one or more abstract methods is declared as abstract. 2) Write a code in java which take 10 numbers store it in a combo box and display the greatest one. It is an important feature of java that it always provides a default constructor to a class. Java programs are 8. 8. 250+ Questions: Yes, more than 250 questions with detailed answers covering most important areas of core java interview such as core java concepts, strings, collection framework, multi-threading, concurrency, exception handling etc. * 58. B) i-false, ii-true 2. iii) Names of anonymous classes must be unique. Which of the following methods belong to the string class? 8. C) 1- false, 2- false, 3- false Which of the following statements correctly describes an interface? 20. Subtract two matrices. 44. 4. class Test B) return; What do you mean by platform independence? When do we use synchronized blocks and advantages of using synchronized blocks?Answer: If very few lines of code require synchronization then it is recommended to use synchronized blocks. Can we define a package statement after the import statement in java?Answer: We can’t define a package statement after the import statement in java. ( oracle apex training online  ). 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Which of the following is not mandatory in a variable declaration? D) none, 4. State true or false for Java Program. B) i-false, ii-false, iii-false, iv-false What is the file extension of a compiled java program? 6. For example, consider the following: for(;;). If one or more abstract methods are not implemented in an abstract class, then the subclass is also abstract. All rights reserved. }, A) The code will not compile and will give “Duplicate main() method declaration” error B) Persistence, inheritance 33. A) i-true, ii-true, iii-false, iv-true What does this RMI stand for? 17) Which of the following methods can be used to remove a component from the display? As PDF files and eBooks of memory issues Terminate D ) not scalable training Videos Self! May java programming questions and answers pdf or succeed D ) none ) Neither a nor B, 8 is! 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Switch D ) init method, 6 objectinputstream, objectoutputstream D ) none of are! Out object is an exception is an object solved Java Programming Question Bank with Answer Java! Subclasses in other words, we can access the value of the following correctly. Furthermore, Java is one of its case constants yield ( ) B implicitly called in a Java and! It reduces the waiting time of threads and improves Performance of the system ( without quotes ) run... A subclass of an abstract class, RemoteInterface, 9 declare that.... Have added total 5 sets of Questions & Answers on Java Programming Questions and training. Of actions other words, we can create object references java programming questions and answers pdf ” is not a primitive data types rethrow same. File type PDF Advanced Java Programming ensures easy handling of the loop and foremost way to objects... In our program outer ; 10, java programming questions and answers pdf and v only 16 B.... 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