• Java multithreading interview questions Set 2

    Categories: Java 8(JDK1.8) ||

    Describe the purpose and working of sleep() method.The sleep() method in java is used to block a thread for a particular time, which means it pause the execution of a thread for a specific time. There

  • Java Multithreading Interview Questions Set 1

    Categories: Java 8(JDK1.8) ||

     Differentiate between process and thread?There are the following differences between the process and thread.a) A Program in the execution is called the process whereas; A thread is a subset of t

  • Java Interview Question Set 15

    Categories: Java 8(JDK1.8) ||

    What are the states in the lifecycle of a Thread?A thread can have one of the following states during its lifetime:New: In this state, a Thread class object is created using a new operator, but the th

  • Java Interview Question Set 14

    Categories: Java 8(JDK1.8) ||

     Can we declare a constructor as final?The constructor can never be declared as final because it is never inherited. Constructors are not ordinary methods; therefore, there is no sense to declare

  • Java Interview Question Set 13

    Categories: Java 8(JDK1.8) ||

    Can we change the scope of the overridden method in the subclass?Yes, we can change the scope of the overridden method in the subclass. However, we must notice that we cannot decrease the accessibilit

  • Java Interview Question Set 12

    Categories: Java 8(JDK1.8) ||

    What is object cloning?The object cloning is used to create the exact copy of an object. The clone() method of the Object class is used to clone an object. The java.lang.Cloneable interface must be im

  • Java Interview Questions Set 10

    Categories: Java 8(JDK1.8) ||

    What is this keyword in java?The this keyword is a reference variable that refers to the current object. There are the various uses of this keyword in Java. It can be used to refer to current class pr

  • Node.js Quiz MCQ Questions with Answer part 2

    Categories: Node JS || MCQ ||

    Node.js Quiz MCQ Questions with Answer part 2   Q1. What is the default scope in Node.js application.  Local  Public  Private  Global Answer: Local   Q2. Which o

  • Node.js Quiz MCQ Questions with Answer

    Categories: Node JS || MCQ ||

    Node.js Quiz MCQ Questions with Answer   1. Node.js is _____ Language. Server Side Client-Side Both Answer: Server Side   2. Node.js is written in _____________.

  • Node.js Interview Questions and Answer for freshers set 3

    Categories: Interview questions and answers || Freshers || Node JS ||

    Node.js Interview Questions and Answer for freshers (set3)   Q1. What is the framework that is used majorly in Node.js today? Answer: Node.js has multiple frameworks, namely:

  • Node.js Interview Questions and Answer set 2

    Categories: Interview questions and answers || Freshers || Node JS ||

    Node.js Interview Questions and Answer for freshers (set 2)   Q1. What is the control flow function? Answer: The control flow function is a common code snippet, which executes whenever th

  • Node.js Interview Questions and Answer for freshers

    Categories: Interview questions and answers || Freshers || Node JS ||

    Node.js Interview Questions and Answer for freshers   Q1. What is Node.js? Answer: Node.js is a very popular scripting language that is primarily used for server-side scripting requiremen

  • Java Interview Question Set 13

    Categories: Java 8(JDK1.8) ||

    What are the main uses of the super keyword?There are the following uses of super keyword.a) super can be used to refer to the immediate parent class instance variable.b) super can be used to invoke t

  • Java interview Question Set 12

    Categories: Java 8(JDK1.8) ||

     What is aggregation?Aggregation can be defined as the relationship between two classes where the aggregate class contains a reference to the class it owns. Aggregation is best described as a has

  • Java Interview Question Set 11

    Categories: Java 8(JDK1.8) ||

    How Many Type of  the Inheritance?There are five types of inheritance in Java.a) Single-level inheritanceb) Multi-level inheritancec) Multiple Inheritanced) Hierarchical Inheritancee) Hybrid Inhe

  • Java Interview Question Set 10

    Categories: Java 8(JDK1.8) ||

    Can we assign the reference to this variable?No, this cannot be assigned to any value because it always points to the current class object and this is the final reference in Java. However, if we try t

  • Java Interview Questions Set 9

    Categories: Java 8(JDK1.8) ||

    Can we make constructors static?As we know that the static context (method, block, or variable) belongs to the class, not the object. Since Constructors are invoked only when the object is created, th

  • Java Interview Questions Set 8

    Categories: Java 8(JDK1.8) ||

    Can we override the static methods?No, we can't override static methods.What is the static block?Static block is used to initialize the static data member. It is executed before the main method, at th

  • Java Interview Questions Set 7

    Categories: Java 8(JDK1.8) ||

    What is the output of the following Java program?class Test   {      int test_a, test_b;      Test(int a, int b)       { &nbs

  • Java Interview Questions Set 6

    Categories: Java 8(JDK1.8) ||

    Is constructor inherited?No, The constructor is not inherited. Can you make a constructor final?No, the constructor can't be final.What do you understand by copy constructor in Java?There is no c

  • Java Interview Questions Set 5

    Categories: Java 8(JDK1.8) ||

    What will be the initial value of an object reference which is defined as an instance variable?All object references are initialized to null in Java.What is the constructor?The constructor can be defi

  • Java Interview Questions Set 4

    Categories: Java 8(JDK1.8) ||

     What is the output of the following Java program?class Test   {      public static void main (String args[])       {      &n

  • Java Interview Questions Set 3

    Categories: Java 8(JDK1.8) ||

    What is the default value of the local variables?The local variables are not initialized to any default value, neither primitives nor object references. What are the various access specifiers in

  • Java Interview Questions Set 2

    Categories: Java 8(JDK1.8) ||

    What gives Java its 'write once and run anywhere' nature?The bytecode. Java compiler converts the Java programs into the class file (Byte Code) which is the intermediate language between source code a

  • Java Interview Questions Set 2

    Categories: Java 8(JDK1.8) ||

    How many types of memory areas are allocated by JVM?Class(Method) Area: Class Area stores per-class structures such as the runtime constant pool, field, method data, and the code for methods.Heap: It

  • Java Interview Questions Set 1

    Categories: Java 8(JDK1.8) ||

    What is Java?Java is the high-level, object-oriente, robust, secure programming language, platform-independent, high performance, Multithreaded, and portable programming language. It was developed by

  • C Programming Interview Questions Set 9

    Categories: C Programming language ||

    Write a program to print factorial of given number using recursion?#include<stdio.h>      #include<conio.h>       long factorial(int n)  &

  • C Programming Interview Questions Set 8

    Categories: C Programming language ||

    Write a program to print "hello world" without using a semicolon?#include<stdio.h>      void main(){       if(printf("hello world")){} // It prints t

  • C Programming Interview Questions Set 7

    Categories: C Programming language ||

    What is the acronym for ANSI?The ANSI stands for " American National Standard Institute." It is an organization that maintains the broad range of disciplines including photographic film, computer lang

  • C Programming Interview Questions Set 6

    Categories: C Programming language ||

    Ques. What is a union?Ans. The union is a user-defined data type that allows storing multiple types of data in a single unit. However, it doesn't occupy the sum of the memory of all members. It holds

  • C Programming Interview Questions Set 5

    Categories: C Programming language ||

    Ques. What functions are used for dynamic memory allocation in C language?Ans. malloc()The malloc() function is used to allocate the memory during the execution of the program.It does not initialize t

  • C Programming Interview Questions Set 4

    Categories: C Programming language ||

    Ques. What is a far pointer in C?Ans. A pointer which can access all the 16 segments (whole residence memory) of RAM is known as far pointer. A far pointer is a 32-bit pointer that obtains information

  • C Programming Interview Questions Set 3

    Categories: C Programming language ||

    Ques.  What is an array in C?Ans. An Array is a group of similar types of elements. It has a contiguous memory location. It makes the code optimized, easy to traverse and easy to sort. The size a

  • C Programming Interview Questions Set 2

    Categories: C Programming language ||

    Ques. What is the use of printf() and scanf() functions?printf(): The printf() function is used to print the integer, character, float and string values on to the screen.Following are the format speci

  • C Programming Interview Questions Set 1

    Categories: C Programming language ||

    Ques. What is C language?Ans. C is a mid-level and procedural programming language. The Procedural programming language is also known as the structured programming language is a technique in whic

  • Accountancy MCQ Quiz Questions with Answers for Class 12 part 2

    Categories: Freshers || Intermediate class || MCQ || Accountancy ||

    Accountancy MCQ Quiz Questions with Answers for Class 12 part 2   Q1. Income and Expenditure Account generally indicates: Surplus/Deficit Cash Balance Capital Fund Net Pro

  • Accountancy MCQ Quiz Questions with Answers for Class 12

    Categories: Intermediate class || Accountancy ||

    Accountancy MCQ Quiz Questions with Answers for Class 12 Q1. Receipts and Payments A/c is a summary of: All Capital Receipts and Payments All Revenue Receipts and Payments All Revenu

  • Difference between the typedef and the #define in C

    Categories: C language ||

    Following are the differences of the typedef and the #define, as follows:SN - Typedef - #define1.Typedef is a keyword in the C programming language.#define is a pre-processor and used as macro used in

  • Program in C Language with Practical

    Categories: C language ||

    Example 1: Consider a program to use the #define pre-processor in C.Define.c#include <stdio.h>  #include <conio.h>  #define PI 3.14 // define the constant variable 

  • Use of typedef keyword in Structure C Language

    Categories: C language ||

    Let's consider a program to use the typedef keyword in structure to provide a new name to the struct and initialize the structure variables, as follow:Struct.c#include <stdio.h>  #incl

  • Difference between typedef and define in C

    Categories: C language ||

    typedef:A typedef is a keyword used in C programming to define a new name for exiting data types. But it cannot provide a new data type to the predefined data type. Instead, it provides a meaning full

  • Function Calling in C Language

    Categories: C language ||

    A function call is an important part of the C programming language. It is called inside a program whenever it is required to call a function. It is only called by its name in the main() function of a

  • What is the function call in C Language

    Categories: C language ||

    Before jumping to the function call, we need to understand the function in the C programming language. A function is a group of tasks used to execute the predefined operations and returns a value. A l

  • What is getch() in C Language

    Categories: C language ||

    The getch() is a predefined non-standard function that is defined in conio.h header file. It is mostly used by the Dev C/C++, MS- DOS's compilers like Turbo C to hold the screen until the user passes

  • Enum in C Language

    Categories: C language ||

    The enum in C is also known as the enumerated type. It is a user-defined data type that consists of integer values, and it provides meaningful names to these values. The use of enum in C makes the pro

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