Generics in Java program was introduced in Java version 5. It is used to ensure the data type safety of objects. So, it constructs the code steady by detecting bugs at compile time. Why do we need generics in Java? When we write programs, errors occur. Some errors occur at run time while some errors …
Advantages and Disadvantages of Generics in Java Read More »
In this article, we will learn how to access variable from another class in java. There are two ways to get variables from another class. Create an object of another class in the main class Extend another class in the main class Let us take a look at both these methods one by one with …
How to Access Variable From Another Class in Java? Read More »
To create spring boot project in eclipse, we have many different ways. Spring initializer. (https://start.spring.io/) STS eclipse plugin Create a Maven project manually and add all the required dependencies for spring boot starter. Creating Spring Boot Project with Spring Initializer To create any bootstrap web application Spring Initializer is very useful and great tool. Go …
Thread: A sub-process or a smallest unit of processing, called thread. Generally a single thread work only on a single sub-process which may or may not be the part of whole processing to achieve any task. A thread is also a lightweight process. Multithreading: To complete any single process or to complete any task, if …
Unlike C++, Java does not support operator overloading. To overload the standard arithmetic operators e.g. +, -, * and / etc, Java doesn’t provide freedom to programmers. Java does not support operator overloading because by choice of its developers where they wanted to make it a simple language. Overloading of operator allows you to do …
When you listen to the name Constructor, then what comes to your mind? Something like making or creating or building something. A constructor is also similar, it initializes an object immediately after its creation. You can compare constructors with the methods. They are similar while differing in some aspects. Constructors don’t have any return type, …
We usually get this error in java when we are trying to pass primitive data type in the generic type declaration. The reason we get this error because generic always expects the wrapper classes but gets the primitive data type. Those who are unaware about primitive data types and wrapper classes. Wrapper Classes Wrapper classes …
Solve Error insert “Dimensions” to complete ReferenceType in Java Read More »
The term Programming paradigm means the methodology for writing program codes. In general, two paradigms govern how you can construct a program. These two ways are: a process-oriented model an object-oriented model Many programming languages support both the paradigms like python. Python allows the users to code using both process-oriented and object-oriented methodologies. However, Java …