Reversing a string means creating a new string whose order of characters is the opposite. That is, last character is at first position, second last is at second and so on. There are many different ways in which this can be done in javascript and this article will explain 4 different methods with example. Method […] The post How to reverse a string in javascript with example first appeared on codippa ..read more

Abstract method in java is a method which does not have an implementation or a body where it is declared. It is defined in a child(or sub) class. Declaration includes its access specifier, return type, method name and arguments followed by a semi-colon. An abstract method is declared in an abstract class or in an ..read more

What is comparator java.util.Comparator is an interface in java used for sorting or ordering of collections such as a List, Set, array etc. A comparator is mostly used to sort a collection of custom or user defined objects which do not possess a natural ordering. Natural ordering means sorting by alphabetical order, numbers etc. Suppose ..read more

What is a java stream A stream is a sequence of elements usually from a collection. Collection may be an array, list, set, file or a sequence of elements. A stream can perform different operations on its elements.  These operations include iterating over its elements, counting total number of elements, filter some elements based on ..read more

Prior to java 8, a java interface could only have abstract methods and constants. Starting java 8, an interface can also contain static methods and default methods. This article will cover static interface methods in detail. What are static interface methods Static interface methods are just like static methods in a class, that is, these ..read more

slice is another function that can be applied to javascript arrays apart from other useful functions such as map, filter, some. slice is used to extract a portion of array between the provided indexes. It accepts two numeric arguments representing the indexes of array elements and returns a new array with elements between those two ..read more

Substring means a portion of a string. Substring is extracted based on numeric indexes. This article will explain 3 different ways in which a substring can be retrieved from a string in javascript. Method 1: substr function Javascript substr function takes two arguments with their meanings given below. 1. Start index: Index of character from ..read more

A python list is a collection of elements of same or different types. Iterating over a list is the most required operation for many tasks such as addition of its elements, finding the largest element in the list etc. This article will explain different ways in which a list can be iterated in python. Method ..read more

This article will explain two different ways in which you can find max value in a list or array in python. Method 1: Using max function Python has a built-in function max which accepts an iterable as argument and returns the maximum value present in it. Iterable means a data structure that can be iterated ..read more

This article will explain 4 different ways to check if a list contains an element or if an item exists in a list or not. List may be of numbers, strings, floats etc. Method 1: Using in operator Write the value that you want to find in the list followed by in operator and the ..read more