Answers to Questions and Exercises
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Wish you the best in your endeavor to learn and master Java programming language! We can use a default method to add a new functionality to an interface while maintaining backward compatibility with classes that are already implementing the interface: public interface Vehicle { public void move ; default void hoot { System. We can also use this to include the content of another resource to the response.
Spring Interview Questions Q1. A Dead state 30. A package B class C method D none 4. For JDBC, we need to write native sql queries.
Java Interview Questions - What is the data type for the number 9.
Objects do not permit encapsulation A Objects do not permit encapsulation 5. Which methods can access to private attributes of a class? A Only methods those defined in the same class 6. What is an aggregate object? A An instance which has other objects 7. Assume that File is an abstract class and has toFile method. ImageFile and BinaryFile are concrete classes of the abstract class File. Also, assume that the method toFile is implemented in both Binary File and Image File. A File references an ImageFile object in memory and the toFile method is called, which implementation method will be called? A Image file 8. A class can have many methods with the same name as long as the number of parameters or type of parameters is different. This OOP concept is known as A Methos overloading 9. Which of the following is considered as a blue print that defines the variables and methods common to all of its objects of a specific kind? What are the two parts of a value of type double? A Significant Digits, Exponent 11. After the following code fragment, what is the value in fname? Which of the following is not a return type? What is the data type for the number 9. Assume that the value 3929. Which of the following statements is true? How many numeric data types are supported in Java? Which of the following statements declare class Sample to belong to the payroll. An exception can be thrown by throws keyword explicitly. A An exception can be thrown by throw keyword explicitly. All the wrapper classes Integer, Boolean, Float, Short, Long, Double and Character in java A Fianl 24. Consider the following code snippet. What will be assigned to the variable fourthChar, if the code is executed? A super class is a sub set of a sub class 28. What kind of thread is the Garbage collector thread is? A Daemon thread 29. When a thread terminates its processing, into what state that thread enters? A Dead state 30. Which statement is true? A1,A2,A3 and A4 are activities called using intents. When finish method is called on A3, What will be the currtent running activity? A1,A2,A3 and A4 are activities called using intents. When finish method is called on A3, what will be the current running activity? A1,A2,A3 and A4 are activities called using intents. A3 calls A4 with no intent flag, when finish m….
Core java multiple question answer 1 10
Controlled by Process is controlled by the operating system. An Interface can only declare constants and instance methods, but cannot implement default behavior and all methods are implicitly abstract. Memory management is met on generation associated to each object. These relationship can be one to one, One to many, many to one and many to many. RC coupled amplifier 1. Threads are controlled by programmer in a program. Which of the following is true about Java. You can glad your program on. A An exception can be thrown by throw keyword explicitly. Questions and Answers on Exploring java.
