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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12 Best Java Blogs for Beginners 2021

Looking to self-learn java through blogs, online tutorials, and courses that create a vast demand for Java programmers and developers? Then it is the versatility of the Java programming language; it will easily serve any purpose. Great Java developers will make lots of money and they will admit that they gained their knowledge and skills through online resources, particularly blogs. To handle new challenges and stay relevant, developers and programmers have to look after several things. Besides having strong programming

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Advantages and Disadvantages of Encapsulation in Java

The word “Encapsulation” means that closing something like we put the main power of the tablet inside the capsule. It is a mechanism that is done to bind the data and protect it from being used by everyone. After doing encapsulation, the variables and the data of one class cannot be used in another class and this data can be used by the member functions of the same class. Encapsulation can be achieved by adding the private specifier to the

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How to Find Array Length in Java with Examples

In this blog post, we are going to learn an important topic pertaining to Java i.e Array length. Java is a high-end programming language by accompanying robustness, security, and greater performance. How to Find Array Length in Java? An array length in Java represents a series of elements that an array could really hold. There really is no predetermined method for determining an object’s length. In Java, developers can discover its array length with the help of array attribute length.

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Solved Error: cannot be cast to java.lang.Comparable

This article will look at how to solve the above-given Class Cast Exception. This ClassCast Exception occurs at runtime when we improperly typecast an object of a class to a related class of which it is not an instance. Now, what does it mean when the exception says: cannot be cast to java.lang.Comparable. Let us first have a brief look at what is Comparable. We use Comparable Interface mainly when we need to sort an Array of Custom Objects. In

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Java String Interpolation with Examples

In this article, we will look at the concept of String Interpolation. We will look at its description, the need for String Interpolation. Also, we look at different techniques to perform String Interpolation with implementation in Java. String Interpolation is a process where we evaluate a String containing one or more Placeholders (Temporary Name or Substitute) by replacing it with their corresponding values. It allows to dynamically print out text output. So, in short String Interpolation allows us to put

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Evaluate Postfix Expression in Java

In this article, we will look at how to evaluate a given Postfix expression to a result value. This is a problem related to Stack Data Structure. We will look at the algorithm with a step-by-step example along with the implementation in code. Let us first have a quick look at Postfix Expressions. So, Postfix Expressions are the mathematical expressions where for each pair of Operator and Operands, the operators come after operands. Hence, the evaluation order is from left

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Java Reflection Invoke Static Method

This article will look at how we can use Java Reflection API to invoke a Static method. We will see the steps and the explanation with code. Let us first have a quick look at Reflection API. Reflection in Java is a process of examining or modifying the behavior of a class at run time. Moreover, It is an API or Application Programming Interface having its use in debugging. It is also used in testing tools, with the primary focus

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Volatile vs Synchronized in Java

In this article, we will discuss volatile vs synchronized in Java. First, we will define what is synchronized. Synchronized Keyword Synchronized is the keyword which is applied on blocks and methods but not on the classes and variables. When multiple threads are trying to access the same Java object so this situation leads to a data inconsistency problem. So in this situation, we should go for a synchronized keyword. So we use synchronized keywords along with the name of the

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