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Float vs Double Java Example

Hello readers. In this tutorial we will learn about the float and double data types in the Java programming language. More specifically, we feature a comprehensive article about Float vs Double Java. 1. Introduction In Java programming, float and double data types both represent in floating-point numbers but a double data type is a little more precise than float. 1.1 ...

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Java Bitwise Operators Example

In this post, we feature a comprehensive article about Java Bitwise Operators. 1. Base2 – the basis for Binary Code The base 2, or binary numbering system is the basis for all binary code and data storage in computing systems and electronic devices. The binary uses only two numerals 0 and 1. Values are stored in binary format in memory, ...

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Apache Spark Machine Learning Tutorial

The article will feature a comprehensive tutorial on how to implement machine learning use cases with Apache Spark. Table Of Contents 1. What is Apache Spark ? 1.1. Features of Apache Spark 1.2. Components of Spark 1.3. Data processing with Spark 2. Machine Learning With Spark 2.1. MLLib 2.2. Anomaly Detection with Apache Spark 2.2.1. Data Preparation 2.2.2 Execution 2.2.3. ...

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Hibernate Configuration Example

In this post, we feature a comprehensive article about Hibernate Configuration. Working with an Object-Oriented Language and relation database can often be cumbersome and Object Relational Mapping frameworks are built to solve this problem. Hibernate is one of Java’s Object Relational Mapping framework. It abstracts us from underlying database implementations and application can be ported to other databases easily with ...

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How to write Java Doc

Hello readers, in this tutorial, we will learn how to write a Java Doc in Java programming language. 1. Introduction In Java programming, developers can use any JavaDoc tool of their preference or the ALT + SHIFT + J key for generating a standard HTML documentation. In this tutorial, we will primarily focus on the keyboard keys but before going ...

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Int Array Java Example

An array is a container object that holds a fixed number of values of a single type. As the name indicates, an int array holds only int values. In this article, let us look at examples of int array and the means to update. 1. Int array Java Example An int array is an array of int values. The length ...

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Pi in Java Example

In this post, we feature a comprehensive article about Pi in Java. 1. Introduction PI is a mathematics number defined as the circumference of any circle divided by its diameter. Java has provided the java.lang.Math class since version 1. It includes a static constant PI with value of 3.141592653589793. /*the double value that is closer than any other to pi, ...

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Java Command Line Arguments Example

In this article, we will focus on understanding how to compile and run a Java program from the command prompt and an example for Java Command Line Arguments. The prerequisite for our example is JDK has to be installed. I am using JDK version 1.8.0_211 and the Operating System is Windows. Before we head straight to our example, let us ...

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How to run application blocked by Java security

Java is a ubiquitously used programming language. Java team is constantly improving the language’s security features. It is quite common to see Java security warnings while running some programs. This is not like a regular security warning prompted by the operating system. In this article, I am trying to provide an overview of how to work with Java security settings ...

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isDigit Java Example

1. Introduction Java provides a java.lang.Character class to wrap a value of the primitive type char in an object. It has provided several methods for determining a character’s category, such as lowercase letter, digit, etc since version 5. Here are the isDigit method’s signatures: //Determines if the specified character is a digit. static boolean isDigit​(char ch) //Determines if the specified character (Unicode ...

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