Basic Structure of Java Program with Example

Java is a very popular language and used on 7 billion devices worldwide. It is one of the most secured, platform-independent, and object oriented programming languages that’s why it is necessary to be familiar with the basic structure of Java program. A typical Java program consists of the following sections: Package statements Documentation Section Import statements Class definition Interface statements Methods Main method class Basic Structure of Java Program Image Source Package Statements It is optional to write in your

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Solve Error insert “Dimensions” to complete ReferenceType in Java

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 are classes in java which contains primitive data types and primitive data type can be used as objects by the help of wrapper class. Wrapper

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Best Way to Learn Java for a Beginner

Here you will know what is the best way to learn java for a beginner. Programming is the new vogue and a vogue which can make you earn wonders and at the same time make you utilize the capabilities of your brain to the fullest. Learning new programming languages however can sometimes turn out to be challenging especially when the language is one which holds immense importance in various fields. Java is definitely one of those languages which most of

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Can We Have Multiple Classes in Same Java File?

Yes, we can have multiple classes in same java file. But, there is one restriction over here, which is that you can have as many classes in one file but only one public class is allowed. If we try to declare 2 classes as public in the same file, the code will not compile. The reason being is you need to name the file with the name of the class which is declared as public and we cannot have the

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Solve Error “the import org.apache cannot be resolved” in Java

How can you resolve the import org.apache error from your program? Nowadays, when developers are preparing some codes in Java, the common error is import org.apache error takes a lot of time to resolve. This is because of the minor mistake you may do while coding, and no apache library is installed on them. Apache library is crucial for coding on Java and requires several corrections to develop a program efficiently. Most developers face this common issue in their developing

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3 Ways to Create Spring Boot Project in Eclipse

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 to https://start.spring.io/. After generating the project, this will download the project in ZIP format. Unzip this file into a folder and import this project into

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Real Time Example of Multithreading in Java

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 multiple threads are working simultaneously, then it’s called multithreading. Technically, all the threads do not execute simultaneously, but the time difference between the threads execution

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Why Java Doesn’t Support Operator Overloading?

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 something extra than default functionality or expected for. Every operator in java has a good meaning with their arithmetic operation it performs. Java only allows

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