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Java Capitalize First Letter Example

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In this post, we feature a comprehensive Java Capitalize First Letter Example. We want to write a Java program to convert uppercase first letter java in a sentence and if any character apart from the first one is in Uppercase then convert in into Lowercase. 1. Introduction Firstly, lets see how to capitalize the first letter of a single word, ...

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ADT Java Tutorial

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This article will feature a comprehensive ( Java Abstract Data Types) ADT Java Tutorial. Table Of Contents 1. What is Abstract Data Types (ADT) ? 2. Operations on ADT 3. ADTs in Java 3.1. List ADT 3.2. Stack ADT 3.3. Queue ADT 4. Which ADT to choose ? 5. Conclusion 6. References 1. What is Abstract Data Types (ADT) ? ...

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Dynamic Array Java Example

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An Array is a container object that holds a fixed number of values of a single type. The length of an array is established when the array is created. The length is fixed after creation. In this article, we will show Java dynamic arrays. A dynamic array is a variable-size list data structure that allows elements to be added or ...

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Big O Notation Java Example

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In this post, we feature a comprehensive Big O Notation Java Example. 1. Introduction Asymptotic notations are used to analyze an algorithm’s running time by identifying its behavior as the input size for the algorithm increases. There are six symbols used to characterize the relative growth rates of functions: SymbolSummary f = Θ(g) f grows at the same rate as ...

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Char Array to String Java Example

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Hello readers! In this tutorial, we feature an example on how to convert a Char Array to String in Java. We will learn different ways of this conversion. Meanwhile, you can also check the String to Char Array Example. 1. Introduction Java programming offers possible ways to convert a character array (char []) to String. A new String is allocated ...

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Spring Boot Security and JWT Hello World Example

Hi Java Code Geeks. Come follow me as we create a Spring Boot Security and JWT (JSON Web Token) Hello World application. This article is best understood by following it from top to bottom. Concepts and definitions will be explained along the way. This article is not for the absolute beginner. It is assumed that you know your way around ...

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Exception Handling in Java – How to throw an exception

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In this article, we will explain the Exception Handling in Java. If you want to learn more about how to throw an exception in Java, you can also check the Java Exceptions List Example. You can also check this tutorial in the following video: Java Exceptions Handling Tutorial – video 1. What are Exceptions? Exceptions are events that occur during the ...

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Java Exceptions List Example

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In this article we will discuss the Java exceptions list. We will discuss what are exceptions, when they occur and their types. You can also check this tutorial in the following video: Java Exceptions Handling Tutorial – video 1. What is An Exception in Java? Exception is mechanism which Java uses to handle any unforeseen use-case/scenario. Basically an exception is ...

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String equalsIgnoreCase() Java Example

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In this post, we feature a comprehensive article about the equalsignorecase Java ‘s String Method. 1. Introduction Java String class has provided the java equalsignorecase method to compare this String to another String by ignoring case since version 1. Here is the method’s signature: boolean equalsIgnoreCase​(String anotherString) The String class inherits the equals method from the Object class. It returns true if and only if ...

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Remove element from an Array Java Example

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Hello readers, in this tutorial, we will learn two different ways to remove an element from an array.So lets talk about java array remove operation. You can watch the following video and learn how to use arrays in Java: Java Array Example How to use Arrays in Java – Video 1. Introduction In Java programming, Arrays represent an index-based object ...

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