Page 13 | Java Blog - Java News and Learning posts on CodeGym

Artem Divertitto Inheritance in Java
December 25, 2024 at 12:45 PM
Java Extends Keyword with Examples What is Java extends Keyword? The extends in Java is a keyword that indicates inheritance between a child and parent class. Extends In Java is a keyword that is written with the child class during class declaration followed by the name of the parent class. When a child class...
12/25/24
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Artem Divertitto Java IO & NIO
December 25, 2024 at 9:09 AM
Scanner NextInt() Method in Java What is the nextInt() Method in Java? The nextInt() method scans the next token of the input data as an “int”. As the name of the class Scanner elaborates, nextInt() method of this class is used to scan or...
12/25/24
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John Selawsky Java Numbers
December 25, 2024 at 8:35 AM
How to Convert Long to Int in Java In this article we are going to explain how to convert long to int in Java and write some code examples. Since long is a larger data type than int, here we should use type casting for such conversion...
12/25/24
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Vasyl Malik Java Algorithms
December 24, 2024 at 11:26 AM
Merge Sort in Java The Merge Sort is the most common algorythm for sorting data using the “divide and conquer” technique. In this algorithm, the problem is divided into subproblems and then after sorting they are merged together...
12/24/24
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Aditi Nawghare Strings in Java
December 24, 2024 at 9:50 AM
Java String format()The Java string format() method is used to format strings, integers, decimal values, and so on, by using different format specifiers. This method returns the formatted string using the given locale, specified formatter, and arguments. If no locale is provided then it uses the default locale for formatting the strings...
12/24/24
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Volodymyr Portianko Java Collections
December 24, 2024 at 8:56 AM
How to create a dictionary in Java If you need to create a dictionary in a Java program, the most logical way to solve this problem is to use the dictionary data structure. This data structure allows you to store information in the form "key - value". Java has a special Dictionary...
12/24/24
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John Selawsky Strings in Java
December 23, 2024 at 12:53 PM
Java String replace() Method What are the common replace() methods of String class in Java? The String class provides four different kinds of replace() methods in Java. Each of the methods addresses a specific use case. Their names are listed below...
12/23/24
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Vasyl Malik Java Arrays
December 23, 2024 at 9:21 AM
Arrays.copyOf() Method in Java What is Arrays.copyOf() method in Java? Java class java.util.Arrays provides a method called Arrays.copyOf() that returns a copy of an array passed as a parameter to this function, followed by specifying...
12/23/24
5019views
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Volodymyr Portianko Java Collections
December 22, 2024 at 7:29 AM
HashMap computeIfAbsent() method in Java Java 8, as many of us know, introduced the Stream API. This is a very useful toolkit, but it has a drawback, it does not include Maps. However, Java 8 added several useful methods to the Map interface itself to reduce the amount of "bad" code...
12/22/24
4447views
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Alex Vypirailenko Strings in Java
December 21, 2024 at 12:12 PM
Printf() in Java printf() method belongs to the Java standard library and plays an important role in formatting output. This article will provide beginners with a comprehensive understanding of the printf() method, its purpose, and how to use it effectively...
12/21/24
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John Selawsky Java Collections
December 21, 2024 at 8:49 AM
HashMap getOrDefault method in Java What is the getOrDefault method for HashMaps in Java? “The getOrDefault method returns the value mapped to the specified key in a HashMap. If that key is not present then a default value is returned.”...
12/21/24
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Aditi Nawghare Keywords in Java
December 20, 2024 at 6:47 PM
Java Protected Keyword In Java, access modifiers control the visibility of classes, methods, and variables. "Protected" is one of these modifiers that restricts the accessibility of a class member...
12/20/24
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