Article Categories
- All Categories
-
Data Structure
-
Networking
-
RDBMS
-
Operating System
-
Java
-
MS Excel
-
iOS
-
HTML
-
CSS
-
Android
-
Python
-
C Programming
-
C++
-
C#
-
MongoDB
-
MySQL
-
Javascript
-
PHP
-
Economics & Finance
Object Oriented Programming Articles
Page 399 of 589
Binary Search vs Contains Performance in Java List
When it comes to searching for elements in a collection, Java provides different options depending on the data structure you're using. Two popular methods for searching in a list are binary search and the contains() method. In this blog post, we'll compare the performance of binary search and contains in a Java list, highlighting their differences, strengths, and best use cases. Binary Search Binary search is an efficient way for locating a specific member in a sorted list. The search space is divided in half on a regular basis until the target element is found or the search space is ...
Read More12 Tips to Optimize Java Code Performance
Java is a well−known programming language that is used to create a variety of applications. The user experience could be harmed by performance issues that can be caused by poorly optimized Java code. In this blog post, you will come across 12 techniques for improving the performance of Java programming. Techniques to Optimize Java Code Use Efficient Data Structures The choice of a suitable data structure has a significant impact on the effectiveness and speed of Java programming. For instance, choosing a LinkedList over an ArrayList can be advantageous if you frequently add or delete entries from a list because ...
Read MoreBreak Any Outer Nested Loop by Referencing its Name in Java
Programming is all about coming up with the best and most efficient ways to solve the real−world problems. There are situations when you want to exit multiple loops simultaneously. This can be accomplished in Java by simply referencing the name of the loop you want to exit. In this tutorial, we'll look at how to break any outer nested loop in Java by referencing its name. Referencing Loop Names in Java You can break out of the Java nested loop by labelling the outer loop. This can be accomplished by using a label before the outer loop followed by a ...
Read MoreJava Program to Check if all Rows of a Matrix are Circular Rotations of Each Other
Matrix consists of rows and columns to form a rectangular array. And circular rotations mean rotating the array's elements so that one rotation places the last element in the first position and the rest of the elements to the right. In this problem, we have given a matrix of n * n, and our task is to check if all rows of a matrix are circular rotations of each other then print “YES” otherwise print “NO”. Let's see examples with explanations below to understand the problem in a better way. Input 1 mat = [ [ 1, 5, 6], ...
Read MoreFew Tricky Programs in Java
Confounding Java questions stem from loops, multithreading, overloading, overriding, and more, making them challenging to navigate. Occasionally, seemingly simple questions confound us, leading to haphazard code instead of straightforward solutions. With analytical thinking, we can crack these questions even without prior knowledge. Join us as we explore tricky programs in Java. Methods Used Comments that work Named loops Method 1: Comments that work In the realm of programming, Java comments are textual statements within a program that hold no significance in terms of execution by the compiler or interpreter. The purpose behind incorporating comments into code is multifold. ...
Read MoreJava Program for Left Rotation and Right Rotation of a String
Rotation means we have to shift each character either in a forward direction or backward direction. Forward direction means right rotation (Or anticlockwise) and backward direction means left rotation (Or clockwise). In this problem, we have given a string of characters of size n and integer d. Here d is less than n. Our task is to print the left rotated string or right rotated string by d integer. Only the permutation of the current string changes, not the length or frequency of the characters in the given string. Input 1 str = “apple”, d = 2 Output 1 Left ...
Read MoreJava Program to Find a Good Feedback Edge Set in a Graph
A feedback edge set in a graph refers to a set of edges that, when removed from the graph, eliminates all cycles or feedback loops. In other words, it is a subset of edges that, when deleted, transforms the original graph into a directed acyclic graph (DAG). A good feedback edge set is a feedback edge set that has the minimum possible number of edges. In this tutorial, we will learn to find a Good Feedback Edge Set in a Graph. Problem Statement Write a Java program that identifies and removes feedback edges in a graph to construct a Good ...
Read MoreJava Program to Implement Zhu-Takaoka String Matching Algorithm
The Zhu-Takaoka algorithm is one of the best algorithms for pattern matching. It is developed using the combination of the Boyer-Moore and KMP string-matching algorithms. The Zhu-Takaoka algorithm utilizes the good character shift and bad character shift techniques to solve the problem. Problem statement − We have given two strings. We need to implement the Zhu-Takaoka algorithm for pattern matching. Sample Examples Input str = "PQRDPQRSSE"; patt = "PQRS"; Output 5 Explanation The ‘PQRS’ pattern exists at position 5. So, it prints 5. Input str = "PQRDPQRSSE"; patt = "PRQS"; Output -1 Explanation ...
Read MoreJava Program to Implement wheel Sieve to Generate Prime Numbers Between Given Range
The naïve approach to finding the prime numbers in the given range is to check whether each number is prime. Also, we need to make iterations equal to the given number to check whether the number is prime. So, the naïve approach is very time-consuming, and we need to optimize it to make it time efficient. In this tutorial, we will learn wheel factorization and Sieve of Eratosthenes algorithms given by Sieve to find the prime numbers in the given range efficiently. Problem statement − We have given left and right integer values. We need to implement the Wheel factorization ...
Read MoreDifference Between Class Method, Static Method, and Instance Method
A well-liked programming paradigm called object-oriented programming (OOP) emphasizes the use of objects to represent and manipulate data. The ability to construct methods that can interact with these objects is one of the main characteristics of OOP. Class methods, static methods, and instance methods are the three different categories of methods in Python. Methods that belong to a class rather than an instance of that class include class methods and static methods. Class methods receive a reference to the class or instance as their first argument, but static methods do not. This is the primary distinction between them. ...
Read More