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Introduction to Java

Java is a popular programming language which created by sun micro systems and later acquired by Oracle.Java is an object-oriented,...

Keshari Abeysinghe

Jul 19, 20202 min read

Thread Pool & Shutdown Hook

What is Thread Pool in Java? A thread pool reuses previously created threads to execute current tasks and offers a solution to the...

Keshari Abeysinghe

Dec 7, 20201 min read

The Daemon Thread in Java

Daemon thread in Java provides service to the user thread which runs in the background. It is considered to be a low priority thread...

Keshari Abeysinghe

Aug 7, 20201 min read

Thread Priority & Thread Scheduling

Thread priority In Java ,always assigns priority to each thread to describe how early it gets execution and selected by thread...

Keshari Abeysinghe

Aug 4, 20202 min read

Creating a Thread in Java

To create a thread, Java provides a class Thread and an interface Runnable both are located into java.lang package.We can create thread...

Keshari Abeysinghe

Aug 3, 20203 min read

Introduction to Threads in Java

What is a thread ? A thread is a lightweight sub-process, the smallest unit of processing. Threads are independent. If there occurs an...

Keshari Abeysinghe

Aug 3, 20202 min read

Constructors in Java

Constructors are required to create objects for a class. Constructor is a block of code similar to method and special type of method...

Keshari Abeysinghe

Jul 21, 20203 min read

JDK,JRE and JVM

JVM JVM is the Java Virtual Machine which provide some runtime environment for the java byte code can be executed.It is an abstract...

Keshari Abeysinghe

Jul 20, 20201 min read

Data Types

Why Data Types Are Important ? Data types are especially important in Java because it is a strongly typed language. This means that all...

Keshari Abeysinghe

Jul 20, 20201 min read

How to be a better Java Developer....

Java is one of popular language in the world.. It is very reliable and is widely used in our day to day lives, prominently seen in web or...

Keshari Abeysinghe

Jul 20, 20202 min read

Inheritance

Inheritance is a mechanism in which one class acquires the property of another class.For example, a child inherits the traits of his/her...

Keshari Abeysinghe

Mar 27, 20201 min read

Aggregation in java

In Java, aggregation represents HAS-A relationship, which means when a class contains reference of another class known to have...

Keshari Abeysinghe

Mar 25, 20201 min read

Polymorphism

Polymorphism in Java occurs when there are one or more classes or objects related to each other by inheritance. In other words, it is the...

Keshari Abeysinghe

Mar 24, 20202 min read

Abstraction in Java

Abstraction in any programming language works in many ways. It can be seen from creating subroutines to defining interfaces for making...

Keshari Abeysinghe

Mar 23, 20202 min read

Encapsulation

Encapsulation is one of the key features of object-oriented programming. Encapsulation refers to the bundling of fields and methods...

Keshari Abeysinghe

Mar 20, 20202 min read

Access modifiers

The access modifiers in Java specifies the accessibility or scope of a field, method, constructor, or class.There are four types of Java...

Keshari Abeysinghe

Mar 19, 20202 min read

Exception Handling

What is an exception ? Exception is an unwanted and unexpected error which occurs while running the normal flow of the programme . An...

Keshari Abeysinghe

Feb 29, 20203 min read

Try -Catch in Java

Try block The try block contains set of statements where an exception can occur. A try block is always followed by a catch block, which...

Keshari Abeysinghe

Feb 28, 20202 min read

Multiple Catch block in java

A try block can be followed by multiple catch blocks.lets see few rules about multiple catch blocks with the help of examples. To read...

Keshari Abeysinghe

Feb 27, 20201 min read

Nested Try-Catch block

When a try catch block is present in another try block then it is called the nested try catch block.Sometimes a situation may arise where...

Keshari Abeysinghe

Feb 25, 20201 min read

Introduction to Java

Thread Pool & Shutdown Hook

The Daemon Thread in Java

Thread Priority & Thread Scheduling

Creating a Thread in Java

Introduction to Threads in Java

Constructors in Java

JDK,JRE and JVM

Data Types

How to be a better Java Developer....

Inheritance

Aggregation in java

Polymorphism

Abstraction in Java

Encapsulation

Access modifiers

Exception Handling

Try -Catch in Java

Multiple Catch block in java

Nested Try-Catch block

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