Best Laravel Tools and Packages

Best Laravel Tools and Packages article from the Coding compiler. When it comes to reading a programming language it’s really a daunting task and finding the right beneficial one which we exactly want is also another question. Choosing a language that is more understandable and the most wanted in the market is always advisable to … Read more

Super Keyword in Java

Super keyword use with examples super keyword performs important role in three places Constructor Level Method Level Variable Level Constructor Level super keyword is used to call parent class constructor. This constructor can be default constructor or parameterized constructor. Default constructor : super(); Parameterized constructor : super(int no, double amount, String name); class Parentclass { … Read more

Choosing Collections in Java

Java offers a wide variety of Collections. Choosing which Collection to use can be tricky. See the Examples section for an easy-to-follow flowchart to choose the right Collection for the job. Java Collections Flowchart Use the following flowchart to choose the right Collection for the job.

Concurrent Collections in Java

A concurrent collection is a [collection][1] which permits access by more than one thread at the same time. Different threads can typically iterate through the contents of the collection and add or remove elements. The collection is responsible for ensuring that the collection doesn’t become corrupt. Thread-safe Collections By default, the various Collection types are … Read more

Readers and Writers in Java

Readers and Writers and their respective subclasses provide simple I/O for text / character-based data. BufferedReader Introduction The BufferedReader class is a wrapper for other Reader classes that serves two main purposes: A BufferedReader provides buffering for the wrapped Reader. This allows an application to read charactersmone at a time without undue I/O overheads. A … Read more

Preferences in Java

Using preferences Preferences can be used to store user settings that reflect a user’s personal application settings, e.g. their editor font, whether they prefer the application to be started in full-screen mode, whether they checked a “don’t show this again” checkbox and things like that. public class ExitConfirmer { private static boolean confirmExit() { Preferences … Read more

Unable To Establish Connection With R Session

Welcome to Codingcompiler. In this blog post, we are going to explain why this Error: Unable To Establish Connection With R Session occur and how to fix this Rstudio 1.3 Unable To Establish Connection issue in different ways. Why Unable To Establish Connection With R Session Occur? There is no single reason for the issue unable to establish … Read more

30 Best BI Tools For Startups

Welcome to the Coding compiler blog on 30 Best BI Tools for startups. One of the biggest advantages of Business intelligence (BI) software is it can handle data in a very efficient and effective manner. When there is a large set of data, handling it with appropriate care is always needed. If any of the … Read more

Command Line Argument Processing in Java

A Java application can accept any number of command line argument. This allows the user to specify configuration information when the application is launched. When an application is launched, the runtime system passes the command line arguments to the application’s main method via an array of String s. Related Article: The Java Command – ‘java’ and ‘javaw’ Parameter Details … Read more

Java Commands & Options

The java commands supports a wide range of options: All options start with a single hyphen or minus-sign (-): the GNU/Linux convention of using — for “long” options is not supported. Options must appear before the or the -jar argument to be recognized. Any arguments after them will be treated as arguments to be passed … Read more

Collect Elements of a Stream into a Collection in Java

Elements from a Stream can be easily collected into a container by using the Stream.collect operation: Collect with toList() and toSet() Elements from a Stream can be easily collected into a container by using theStream.collect operation: System.out.println(Arrays .asList(“apple”, “banana”, “pear”, “kiwi”, “orange”) .stream() .filter(s -> s.contains(“a”)) .collect(Collectors.toList()) ); // prints: [apple, banana, pear, orange] Other … Read more

Finding Statistics about Numerical Streams in Java

Java 8 provides classes called IntSummaryStatistics, DoubleSummaryStatistics and LongSummaryStatistics which give a state object for collecting statistics such as count, min, max, sum, and average. Version ≥ Java SE 8 List naturalNumbers = Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10); IntSummaryStatistics stats = .mapToInt((x) -> x) .summaryStatistics(); System.out.println(stats); Which will result … Read more

Using Streams and Method References to Write Self-Documenting Processes in Java

Method references make excellent self-documenting code, and using method references with Streams makes complicated processes simple to read and understand. Consider the following code: public interface Ordered { default int getOrder(){ return 0; } } public interface Valued { boolean hasPropertyTwo(); V getValue(); } public interface Thing { boolean hasPropertyOne(); Valued getValuedProperty(); } public List … Read more

Streams in Java

A Streams represents a sequence of elements and supports different kind of operations to perform computations upon those elements. With Java 8, Collection interface has two methods to generate a Stream: stream() andparallelStream(). Stream operations are either intermediate or terminal. Intermediate operations return a Stream so multiple intermediate operations can be chained before the Stream … Read more

Console I/O in Java

The Java Console class is be used to get input from console. It provides methods to read texts and passwords. If you read password using Console class, it will not be displayed to the user. The class is attached with system console internally. Reading user input from the console Using BufferedReader: System.out.println(“Please type your … Read more