Posts in "Core Java"

Java equals Method vs == Operator

March 12, 2013 3 Comments JBT

In this article, we will discuss the difference between equals() method and “==” operator.

Write Hello World program using Eclipse

November 17, 2012 12 Comments JBT

In this tutorial, we will learn to create the Hello World application using Eclipse IDE. To understand the following material you should be familiar with using Eclipse.

Core Java

Java developers must know..

November 7, 2012 4 Comments JBT

Java Virtual Mechine. How it works? First jvm looks for main method in class.if exists then it will start executing from that Inside the Java virtual machine, threads come in two flavors: daemon and non- daemon. A daemon thread is ordinarily a thread used by the virtual machine itself, such as a thread that performs… Continue reading →

Core Java

Java Statements tutorial for Beginners

October 4, 2012 18 Comments JBT

Here we will learn about statements in Java. Types of Java Statement Expression Statement Control Statement Assignment Statement In this section, we will discuss control statements.

Core Java

Arithmetic Operators in java

September 9, 2012 56 Comments JBT

In this section, we will learn about Arithmetic Operator Precedence and Operator Associativity.

Core Java

Variables in Java

September 3, 2012 93 Comments JBT

In Java, objects store their states in variables. These variables are used as containers to hold values (int, long, string…) during the life cycle of an application.

Core Java

Java Class loader

September 1, 2012 4 Comments JBT

Introduction : What is Classloader All class files in application are not loaded into memory at startup, but are loaded on demand as needed by the program, this loading of class is done by ClassLoader. ClassLoader is a part of JVM that loads classes into memory.

Core Java

Variable shadowing

July 8, 2012 2 Comments JBT

Today we’ll look into a rare feature of Java: variable shadowing First, let’s define what is a shadowed field or method: A field is considered shadowed when a subclass of its declaring class declares a field with the same name a variable having the same name and type is declared in the local scope a… Continue reading →

Core Java

Non Access Modifiers in Java

April 21, 2012 32 Comments JBT

Access modifiers provide a mechanism for Access Control and different access modifiers can be used to achieve different accessibility. But Non Access Modifiers have nothing to do with accessibility. But it is used to determine specific characteristics of class/variable/methods etc. Below are the 7 Non Access Modifiers available in Java.

Core Java

Access Modifiers in Java

April 21, 2012 78 Comments JBT

Access modifiers (AM) in java help you set the level of access you want for your class, constructor, variables as well as methods. Access levels (Access Control) can be changed by using different access modifiers. There are three access modifiers but four access control. Default is the access control which will be set when one… Continue reading →