Moveena Kumari

Apr 12

Immutable String in Java

What is immutability? Once you create an object you cannot change or modify it. If you try to modify it will not modify but it will create a new object instead. String objects are immutable in Java. Immutable simply means that it cannot be changed or modified. Let’s look at the following example,

Java

3 min read

Mar 11

Numbering System Edge Cases in Java

Data Types in Java — The different sizes and values that can be stored in the variable are defined by data types. Mainly Java has two data types, Primitive data types Non-primitive data types

Java

3 min read

Mar 7

Main Components of JVM

JVM (Java Virtual Machine)consists of 03 main components. Class Loader Memory Area Execution Engine

JVM

3 min read

Mar 1

Java Virtual Machine (JVM)

What is a Virtual Machine? There are two types of virtual machines, SVM (System Based VM) It has one or more hardware components, but it creates multiple environments to work. Those created environments are completely independent. Ex -: Hypervisor AVM (Application Based VM) It don’t have any hardware devices involved, but have an application or…

Java

2 min read

Feb 15

Java Date Time API’s

When working with software applications (java or other) we need to keep track on correct date and time. When it comes to Java we have, java.util.Date java.util.Calendar , before Java 8 was introduced. Java.util.Date — This class is used to to keep global time in sync (UTC). Since the 1st…

Java

3 min read

Jan 30

What is Java ?

Java is a programming language. It was invented in 1995 by Sun Microsystems. OAK was the original name of the Java. Oracle Corporation later bought Sun Microsystems in 2009, gaining control of three significant Sun software assets: Solaris, MySQL, and Java. Java is used for develop : -Mobile applications -Desktop applications -Web applications…

Java

2 min read