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Author: ignougroup

What is layout manager? Describe use of flow layout and grid layout with the help of
program code.

March 5, 2021March 5, 2021 ignougroup

Layout Manager: The Layout managers enable us to control the way in which visual components are arranged in the GUI forms by determining the size and position of components within the containers. Java – Flow Layout Flow layout is the default Read More …

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What is exception? What are different types of exceptions? Explain need of exceptions
handling with the help of a program.

March 5, 2021March 5, 2021 ignougroup

Exception: When an error occurs within a method, the method creates an object and hands it off to the runtime system. The object, called an exception object, contains information about the error, including its type and the state of the program Read More …

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What is polymorphism? Explain use of polymorphism in java programming

March 5, 2021March 5, 2021 ignougroup

Polymorphism: Polymorphism is considered one of the important features of Object-Oriented Programming. Polymorphism allows us to perform a single action in different ways. In other words, polymorphism allows you to define one interface and have multiple implementations. The word “poly” Read More …

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Explain use(s) of following keywords of Java with the help of program/example: final

March 3, 2021March 3, 2021 ignougroup

Java final keyword In Java, the final keyword is used to denote constants. It can be used with variables, methods, and classes. Once any entity (variable, method or class) is declared final, it can be assigned only once. That is, the final variable Read More …

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Describe features of Java programming language

March 3, 2021March 3, 2021 ignougroup

The prime reason behind creation of Java was to bring portability and security feature into a computer language. Beside these two major features, there were many other features that played an important role in moulding out the final form of Read More …

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Explain different data types available in Java.

March 3, 2021March 3, 2021 ignougroup

Data Types in Java Data types specify the different sizes and values that can be stored in the variable. There are two types of data types in Java: Primitive data types: The primitive data types include boolean, char, byte, short, Read More …

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What are Switched Communication Networks ?

March 2, 2021March 2, 2021 ignougroup

Switched communications network A switched communications network transfers data from source to destination through a series of network nodes. Switching can be done in one of two ways. In a circuit-switched network, a dedicated physical path is established through the network and is Read More …

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What are Microwaves ? Explain their properties

March 2, 2021March 2, 2021 ignougroup

Electromagnetic Spectrum consists of entire range of electromagnetic radiation. Radiation is the energy that travels and spreads out as it propagates. The types of electromagnetic radiation that makes the electromagnetic spectrum. Supports larger bandwidth and hence more information is transmitted. Read More …

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Difference between Random Sampling and Non-random Sampling

February 26, 2021February 26, 2021 ignougroup

Random Sampling 1-Random sampling is a sampling technique where each sample has an equal probability of getting selected 2-Random sampling is unbiased in nature 3-Based on probability 4-Random sampling is representative of the entire population 5-Random sampling is the most Read More …

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What is Object Oriented Programming (OOP)? Explain its advantages. Also describe
concept of data hiding in OOP.

February 25, 2021February 25, 2021 ignougroup

Object-oriented programming (OOP) is a computer programming model that organizes software design around data, or, rather than functions and logic. An object can be defined as a data field that has unique attributes and behavior. The organization of an object-oriented Read More …

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Recent Posts

  • What is layout manager? Describe use of flow layout and grid layout with the help of
    program code.
  • What is exception? What are different types of exceptions? Explain need of exceptions
    handling with the help of a program.
  • What is polymorphism? Explain use of polymorphism in java programming
  • Explain use(s) of following keywords of Java with the help of program/example: final
  • Describe features of Java programming language

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