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Category Archives: Java Programs

ArrayList is part of the collection framework. It is a List and implements the java.util.list interface. ArrayList is a better alternative to Arrays, especially if… Read More
Given n electric components and m electric wires to connect them where each wire has a length. Find the optimized wire length between the two… Read More
In Java, the class interface or enum expected error is a compile-time error. There can be one of the following reasons we get “class, interface,… Read More
Unordered Collections in java does not provide any order i.e. the elements cannot be accessed using specific indexing or ordering as we could in the… Read More
For removing one array from another array in java we will use the removeAll() method. This will remove all the elements of the array1 from… Read More
For traversing a linked list in reverse order we can use Descending Iterator or List Iterator 1.  Descending Iterator Syntax: LinkedList<String> linkedlist = new LinkedList<>();… Read More
ArrayList class in Java is basically a resizable array i.e. it can grow and shrink in size dynamically according to the values that we add… Read More
BitMatrix is a two-dimensional array in which each element is either 0 or 1. We will implement a BitMatrix facilitating basic bit operations such as… Read More
In Java, strings are objects that are backed internally by a char array. So to convert a string to a byte array, we need a… Read More
The Levenshtein distance also called the Edit distance, is the minimum number of operations required to transform one string to another. Typically, three types of… Read More
To get TreeSet Element Greater than Specified Element using ceiling() Method in Java. The ceiling method in Java return the least element in the set… Read More
In this program, we will shut down the Computer if the operating System is Linux. So, Firstly we will check that the System on which… Read More
A stream can be defined as the sequence of data or continuous flow of data. Streams are a clear way to deal with Input/Output. Streams… Read More
Arrays. equals() method does not compare recursively if an array contains another array on other hand Arrays. deepEquals() method compare recursively if an array contains… Read More
Threads in java are the lightweight sub-processes that can be created by the user. It is used to perform complicated tasks in the background without… Read More

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