Programming Tutorials and Coding Guides

In order to get sublist either in an ArrayList or LinkedList, we have to use the sublist() method which is a method of AbstractList class.

In this tutorial we will cover multiple examples to understand how to split string into array for different scenarios

There are three different ways to return an array from a function in Java as listed below: Return an array of primitive type, Return an array of objects, Return a multidimensional array

There are several ways to convert the set to list in java as listed below. Using looping, ArrayList Constructor, LinkedList Constructor, List.addAll() Method, List.copyOf() method, stream API, Apache Commons Collections

There are five ways to convert a String to Date in java as listed below. Using SimpleDateFormat Class, LocalDate Class, DateTimeFormater Class, Instant Class, Apache Commons Lang - DateUtils

There are several ways to compare characters in java as listed below, Using Relational Operators, Using Character.compare(), Using Character.hashCode(), Using compareTo() method, Using equals() method, Using charValue() …

Following methods can be used in Java to initialize list. The list interface can be initialized through 4 list classes: ArrayList, LinkedList, Stack, Vector

In this tutorial we cover following 6 different methods to implement hashing in java. Using Hashtable Class, HashMap Class, LinkedHashMap Class, ConcurrentHashMap Class, HashSet Class and LinkedHashSet Class

The list below shows five different ways in which we can copy a file in Java. Using FileInputStream and FileOutputStream Using Paths and Files Using RandomAccessFile Class Using FileChannel Using Files.copy()

In Java, there are three different ways to check if file exists or not such as Using exists method of Legacy I/O File class, Using isFile method of File class, Using exists method of NIO File class

The list below shows eight different ways to get current date in Java Using java.util.Date, java.util.Calendar, java.time.LocalDateTime, java.time.LocalDate, java.time.Year, java.time.MonthDay, java.time.OffsetDateTime, …

We can reverse a list in Java using four different ways i.e. Using add and remove method, Using recursion, Using reverse method of Collections, Using ListIterator Interface

We can use any of the five shown approaches as per the program requirement to return multiple values in Java. Return an array of specific type or object, Return using the Pair class of util package, Return a String …

Multiple examples to use the java string length method to get length of java string.

In this tutorial we learned how to check if path is subdirectory of another directory using Node.JS. Tutorial on NodeJS Path module.

A Java global variable is a variable that is declared outside a method or at the start of a code is a global variable, there are no access restrictions on a global variable. A Java global variable is mostly declared in …

In this article, you learned how you can use the Node.Js forEach() to iterate over an iterable in JavaScript. When iterating over array elements, you should opt for forEach() whereas using map() and reduce() would work …

There are 3 methods to convert char to int in java i.e ASCII values, getNumericalValue, ParseInt using ValueOf method.

There are three ways to detect a loop in a linked list cycle. They are as listed below. Traversing through the list, Using HashSet, Using Floyd's Cycle Detection Algorithm

Java predicate function is a pre-defined user interface. Predicate is a function that returns a boolean value. And the function test(T t) evaluates the predicate for the argument given.

Step by Step instructions to set up Java with Visual Studio Code. Create and compile your first Java Program using VSC.

Step by step instructions to set up Java with Eclipse IDE. create your first Java program using Eclipse and execute the same.

The purpose of the assert module in Node.js is to provide various ways of asserting functions. For instance, if the assertion. It is used to test the functionality of functions in Node.js.

In this article, we will discuss how we can traverse forward through a list and traverse backward through a list using java ListIterator. This iterator is one of the most powerful cursors in java, it is a bidirectional …

In this tutorial we will cover following methods to read JSOn file in NodeJS; Using fs module, require function and third party NPM libraries such as jsonfile and bfj

The java Arrays.asList function returns a fixed-size list that contains a java Array. It acts like a list wrapped around an array, it provides a list view to an array.

The knowledge of Java Accessor and Mutator is very useful as it implements encapsulation, which is one of the important feature of Object oriented Programming.

In this article we will discuss the Java xor (^) operator, this logical operator is used in many conditional statements, it is also used as a bitwise operator to perform tasks with efficient logic

In this article, you learned how to parse CSV data in three ways. The first method reads the whole string then splits it into rows and columns.The second method solves this issue by reading the CSV line by line. The last …

SUpported Unary operators in java are Unary Plus Operator(+), Unary Minus Operator(-), Logical NOT Operator (!), Increment Operator (++), Decrement Operator (--)