Java Archives - CodeSpeedy Coding solutions - PHP, Java, JS, Python Sat, 13 Jul 2024 15:14:16 +0000 en-US hourly 1 https://wordpress.org/?v=6.7.5 https://www.codespeedy.com/wp-content/uploads/2023/07/cropped-codespeedy-favicon-icon-32x32.png Java Archives - CodeSpeedy 32 32 Sum of all elements in an ArrayList in Java https://www.codespeedy.com/sum-of-all-elements-in-an-arraylist-in-java/ https://www.codespeedy.com/sum-of-all-elements-in-an-arraylist-in-java/#respond Sat, 13 Jul 2024 15:14:16 +0000 https://www.codespeedy.com/?p=114227 Hey, fellow programmers ! In this tutorial , You are going to learn the Java program to find the Sum of all elements in an ArrayList  Sum of all elements in an ArrayList in Java To find the sum of elements in an arraylist in java, we can start the programming by initializing sum to […]

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Java Program to find the Sum of Diagonals of a Matrix https://www.codespeedy.com/java-program-to-find-the-sum-of-diagonals-of-a-matrix/ https://www.codespeedy.com/java-program-to-find-the-sum-of-diagonals-of-a-matrix/#respond Sat, 13 Jul 2024 15:13:58 +0000 https://www.codespeedy.com/?p=114224 Hey, fellow code crafters! In this tutorial, you are going to learn the Java program to find the Sum of Diagonals of a Matrix. Find the Sum of Diagonals of a Matrix in Java The following Java programming inserts the main diagonal (top-left to bottom-right) and the secondary diagonal (top-right to bottom-left) of a matrix. […]

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Convert radians to degrees in Java https://www.codespeedy.com/convert-radians-to-degrees-in-java/ https://www.codespeedy.com/convert-radians-to-degrees-in-java/#respond Sat, 13 Jul 2024 15:12:10 +0000 https://www.codespeedy.com/?p=114221 Hey, fellow code crafters! In this tutorial, you are going to learn the Java program to Convert radians to degrees. Java Program to Convert radians to degrees Understanding Degrees and Radians: A complete circle (360 degrees) is the same as 2 2π radians, which are both the units of angular measurement. Hence, 180 degrees is […]

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How to create a mutable list in Java https://www.codespeedy.com/how-to-create-a-mutable-list-in-java/ https://www.codespeedy.com/how-to-create-a-mutable-list-in-java/#respond Thu, 11 Jul 2024 14:35:45 +0000 https://www.codespeedy.com/?p=114301 In this tutorial, we will see how to create a mutable list in Java programming language. A mutable list is an important  element of the Java programming language. It provides a way to create, access and modify lists of data within a program. In this article, we expalin what exactly a Java mutable is and […]

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How to Convert stack to array in Java https://www.codespeedy.com/how-to-convert-stack-to-array-in-java/ https://www.codespeedy.com/how-to-convert-stack-to-array-in-java/#respond Thu, 11 Jul 2024 14:35:23 +0000 https://www.codespeedy.com/?p=114291 In this tutorial, we will see how to convert a Stack into an Array using Java programming language.  A stack is a linear data structure that follows the Last In, First Out (LIFO) principle. An array is a linear data structure that stores a collection of elements of the same data type. Before doing so, […]

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How to call a class from another class in Java? https://www.codespeedy.com/how-to-call-a-class-from-another-class-in-java/ https://www.codespeedy.com/how-to-call-a-class-from-another-class-in-java/#respond Thu, 11 Jul 2024 14:26:11 +0000 https://www.codespeedy.com/?p=113737 Hello everyone! In this tutorial, we shall learn about how to call a class from another class in Java. Java Program to call a class from another class class Class1 { void display() { System.out.println("Inside Class1"); } } public class Class2 { public static void main(String[] args) { System.out.println("Inside Class2"); Class1 obj1=new Class1(); obj1.display(); } […]

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How to convert a stack to an array in Java? https://www.codespeedy.com/how-to-convert-a-stack-to-an-array-in-java/ https://www.codespeedy.com/how-to-convert-a-stack-to-an-array-in-java/#respond Thu, 11 Jul 2024 14:24:18 +0000 https://www.codespeedy.com/?p=113756 In this tutorial, we will learn how to convert stack to array in Java. Firstly, we need to know the basic concepts of stack and array. Array is a collection of elements stored in contiguous memory locations. Elements in an array using index number. Stack is a data structure which follows the LIFO(Last In First […]

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A measure conversion tool using Java https://www.codespeedy.com/a-measure-conversion-tool-using-java/ https://www.codespeedy.com/a-measure-conversion-tool-using-java/#respond Thu, 11 Jul 2024 14:15:46 +0000 https://www.codespeedy.com/?p=113960 Today we will learn about how to create a measure conversion tool using Java. The problem has been solved using hashmaps for the following reasons: Inserting elements in a hashmap takes O(1) average time complexity. It is also very efficient for data retrieval taking O(1) average time complexity. Java Code: import java.util.HashMap; import java.util.Map; import […]

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How to Check if a character is alphabet or not in Java https://www.codespeedy.com/how-to-check-if-a-character-is-alphabet-or-not-in-java/ https://www.codespeedy.com/how-to-check-if-a-character-is-alphabet-or-not-in-java/#respond Tue, 09 Jul 2024 14:32:58 +0000 https://www.codespeedy.com/?p=114252 In this tutorial, we will learn how to Check if a Character is an alphabet or not in the Java programming language with some cool and easy examples. Here we have some easy and efficient methods to find out. Check if a character is an alphabet or not in Java Here I am going to […]

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Right-click event in Java Swing https://www.codespeedy.com/right-click-event-in-java-swing/ https://www.codespeedy.com/right-click-event-in-java-swing/#respond Tue, 11 Jun 2024 08:29:44 +0000 https://www.codespeedy.com/?p=113581 In this tutorial, you are going to learn the Java program to perform right-click event in Java Swing. Perform Right-click event in Java Swing In Java Swing, this event is performed using a mouse listener i.e. the ‘MouseAdapter’ class. This provides a default implementation for the ‘MouseListener’ and ‘MouseMotionListener’ interfaces. We are going to write […]

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