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There are various options available for converting date string to date format. The methods mentioned below can bring the desired result. Let us understand the various ways from the following code block. import java.text.ParseException ; imp...

Java Date encapsulates the current time and date. The Date class does this with the help of two constructors - Date() and Date(long millisec) constructor. We use Date() the constructor to initialize the object with the current time and date...

In this article, we will implement a max heap and a min heap using PriorityQueue the class. We will also demonstrate inserting and removing elements from the heap. Introduction to Min-Max Heap in Java Heap is a tree-based data structure, wh...

A min heap is a heap in which every internal node is less than or equal to the value of its child nodes. We will see in the following points how to implement a min heap with and without using a library. Minimal heap implementation in Java w...

In Java, the heap space is mainly used for garbage collection and allocating memory for objects. A default heap space is allocated when JVM is installed on our machine, but it may be different. The following points show how we can increase...

In this tutorial, we will see how to while detect EOF( End OF File ) in Java using a loop. We will also discuss developing a program that continues reading content until it reaches the end of a file. From a programming perspective, EOF is a...

getResource() This tutorial will demonstrate how to use the function to get the resource URL and read the resource file in Java . getResource() Use the function to get the resource URL in Java We will use the method in Java getResource() to...

In this tutorial, we will see how to get the IP address and host name using Java API. InetAddress Get the host name in Java using The package java.net contains classes for handling the IP address and host name of the current machine InetAdd...

An Internet Protocol (IP) address is an identifier for each device connected to a TCP/IP network. This identifier is used to identify and locate nodes in the middle of communication. The IP address format, such as 127.0.0.0, is a human-read...

This article will introduce three methods to generate double random values ​​between 0 and 1 of primitive types. To demonstrate the randomness of the generated values, we will use a loop to generate ten random double values ​​betwee...

A seed is a number or vector assigned to a pseudo-random generator to generate the desired sequence of random values. If we pass the same seed, it will generate the same sequence. We usually assign the seed as the system time. In this way,...

This article explains how to use enum in Java . We will use statement switch with enum in two ways . switch In Java, we use traditional switch and case to perform enumeration operations. switch In this example, we SwitchEnum create an enume...

This tutorial explains how to create program delays in Java and gives some sample code to understand it. There are several ways to create a time delay, such as TimeUnit.sleep() ,, ScheduleAtFixedRate() etc. Thread.sleep() Let's look at an e...

This article explains how to convert a Hashmap to a JSON object in Java. We will see a detailed example of creating a hashmap and then converting it to a JSON object. Hashmap and JSON are both very commonly used by developers as they help u...

This tutorial explains how to Mapkey, value sort pairs by value in Java and lists some sample codes to understand it. There are several ways to Map sort . Here we use sort() the , sorted() method, and Comparator interface. Let's look at an...