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Articles on Trending Technologies
Technical articles with clear explanations and examples
James Gosling:The Father of Java
James Arthur Gosling, also known as the Father of Java, is one of the greatest minds in computer science and programming history. He created the Java programming language in 1994, which became a revolutionary invention that transformed the software development industry. Java lets developers run a single code on any device, which makes it a platform-independent language. Other than java, Gosling has worked on several technical areas such as Artificial intelligence, software engineering and cloud computing. Early life and education James Gosling was born on May 19, 1955, in Calgary, Alberta, Canada. He developed an interest in computers at an ...
Read MoreJava Program to Increment All Elements of an Array by One
Arrays are one of the most fundamental data structures in programming, and they are used to store elements of the same data type in contiguous memory locations. If you are not familiar with the array concept, do check out this article on Arrays. In this article, we will learn how to increment every element of an array by one and print the incremented array. For example, If the input array is [3, 7, 10] The output should be [4, 8, 11] We can solve this problem using different approaches − Using for-loop Using java streams Using arrays.setAll() ...
Read MoreHow to find hyperfactorial in Java?
What is hyperfactorial? The hyperfactorial of a number is the product of numbers from 1 to the given number where each number is raised to the power of itself. For example, the hyperfactorial of 4 will be − = 1^1 * 2^2 * 3^3 * 4^4 = 1*4*27*256 = 27648 So we can say that the formula for finding hyperfactorial is − H(n)=1^1 * 2^2 *3^3 * 4^4 * 5^5 * . . . . . . . . . * n^n In this article, we will learn different approaches to find the hyperfactorial of a number, ...
Read MoreHow to pad a String in Java?
What is string padding? String padding means adding extra spaces or characters to the string to reach a specified length. This extra character or space can be added before the string, after the string, or on both sides of the string. This is useful for formatting output or aligning text in documents in order to improve the overall appearance of the content. For example, while displaying a table, padding helps to align the content properly so that every column in the lineup is correct. Approaches to pad a string in Java There are multiple approaches to pad a string in ...
Read MoreJava program to find Harmonic series
The reciprocals of an arithmetic series without considering 0 is known as Harmonic series. If $a_{1}, a_{2}, a_{3}$… is arithmetic series then $\frac{1}{a1}$, $\frac{1}{a2}$, $\frac{1}{a3}$, … is the harmonic series. In this article, we will discuss how to implement a Java program to find the harmonic series. Harmonic Series For 1st term n = 1 and for every term n is incremented by 1 and at last the nth term the value is ‘n’. Harmonic series : $1+\frac{1}{2}+\frac{1}{3}$.......+$\frac{1}{n}$ Where, 1/n is the nth term of harmonic series. Problem Statement Write a Java program to find the ...
Read MoreDifference between eigenvalues and eigenvectors?
Linear algebra, a significant area of mathematics that forms the foundation of many fields in physics, engineering, and even computer science, uses concepts like eigenvalues and eigenvectors. In order to solve a variety of differential equations and gain a deeper understanding of the complex aspects of a particular system, both provide a toolset about linear transformations as linear operators, as well as their properties and activity. Let's discuss the mathematical details of eigenvalues and eigenvectors and highlight their applications and differences in this article. What are Eigenvalues? The numerical values associated with the linear transform's eigenvectors are known as eigenvalues. ...
Read MoreJava Concurrency – join() method
In this article, we will learn about concurrency in Java. It allows multiple threads to execute simultaneously, sharing system resources efficiently. One of the methods provided in the Thread class for managing thread execution is the join() method. What is the join() Method? the join () function is used to join the beginning of the execution of a thread to the end of the execution of another thread. This way, it is ensured that the first thread won’t run until the second thread has stopped executing. This function waits for a specific number of milliseconds for the thread to terminate. ...
Read MoreJava program to divide a number into smaller random ints
In this article, we will learn to divide a number into smaller random ints in Java. Dividing a number into smaller random integers is a useful technique in various applications such as resource allocation, gaming, and randomization processes Divide a Number into Random Parts The approach relies on generating unique random dividers within the given number and then computing the differences between consecutive dividers to form the final parts. Following are the steps to divide a number into smaller random ints in Java Create a HashSet to ...
Read MoreJava DatabaseMetaData getProcedures() method with example
In this article, we will learn the DatabaseMetaData getProcedures() method in Java. In Java, the DatabaseMetaData.getProcedures() method is used to retrieve information about stored procedures available in a database. What is getProcedures()? The getProcedures() method of the DatabaseMetaData interface returns a ResultSet containing metadata about stored procedures available in a database. This allows developers to query the database for procedure names, catalog information, procedure types, and specific names. Syntax ResultSet procedures = metaData.getProcedures(null, null, "myprocedure"); This method retrieves the description of the stored procedures of a database/catalog. It accepts 3 parameters − catalog: The catalog name ...
Read MoreHow to force composer to reinstall a library?
Composer is a dependency management tool for PHP that is widely used in PHP projects to manage and install libraries. At times, you may need to force Composer to reinstall a library to ensure it has the latest version or to fix any corrupted or missing files. Below is a step-by-step guide on how to do this. Steps to Force Reinstallation Composer doesn't have a built-in "reinstall" command, but you can achieve reinstallation using the following methods: Method 1: Remove and Reinstall the Library Remove the Library The simplest way to reinstall a library is to first remove ...
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