Page 14 | Java Blog - Java News and Learning posts on CodeGym

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
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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
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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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Alex Vypirailenko Java Numbers
December 20, 2024 at 11:08 AM
How to convert String to int in Java In this article we are going to discuss converting String to int (primitive type) and Object type (wrapper) Integer. There are many ways to do it in Java.
12/20/24
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Jesse Haniel Strings in Java
December 17, 2024 at 3:38 PM
How to convert int to String in Java In this article we are going to discuss converting int (primitive type) and Object type (wrapper) Integer to String. There are many ways to do it in Java. Convert by adding an empty string. The easiest way to convert int to String is very simple. Just add to int or Integer an empty string "" and you’ll get your...
12/17/24
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Vasyl Malik Learning Python
December 17, 2024 at 12:17 PM
Python Not Equal Operator Today, we're going to explore a handy little operator that’s small in size but mighty in functionality: the Python "not equal" operator. If you’ve ever needed to check if two values are different, you’ll be glad to know that Python makes it simple and straightforward with this operator
12/17/24
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Artem Divertitto Java Objects
December 17, 2024 at 10:58 AM
Pairs in Java In programming, there are situations where we need to work with pairs of values, where each value has a corresponding key associated with it...
12/17/24
3142views
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CodeGym Random
December 14, 2024 at 3:03 PM
Java and Python in 2024: Version Releases, Rankings, and Key Events As we reach mid-December, it's time to reflect on the year that is ending. The Java and Python development world has seen many changes throughout 2024...
12/14/24
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