To solve this you can use spread operators (. . .), which will create a shallow copy of the object. Example – let company = { name: 'Intellipaat', employees: 200 }; let company2 = { ...company }; // Creates a shallow copy company2.name = 'Google'; console.log(company); ...
java spring spring-boot rabbitmq feign wail_10 51 asked 14 mins ago -3 votes 0 answers 14 views I was asked this question in an interview. I am not able to get the approach [closed] Write an SQL query to identify and count consecutive 'ALERT' statuses for each student and subject...
To solve that, we need to synchronize on the individual account. One possible approach would be:public class BankThreadSafe { // Singleton implementation omitted for brevity's sake // map from account number to balance private Map<String, Integer> accounts = new ConcurrentHashMap<>(); public ...
Tips to Prepare for Java Interviews: Master Core Java Concepts – Focus on OOP principles, collections, multithreading, and exception handling. Practice Coding Problems – Solve DSA problems using Java on platforms like LeetCode and GeeksforGeeks. Understand Java APIs & Libraries – Learn about St...
JVM is a engine that provides runtime environment to drive the Java Code or applications. It converts Java bytecode into machines language. JVM is a part of JRE(Java Run Environment). It stands for Java Virtual Machine In other programming languages, the compiler produces machine code for a...
1. What are the different data types present in javascript? To know the type of a JavaScript variable, we can use the typeof operator. 1. Primitive types String - It represents a series of characters and is written with quotes. A string can be represented using a single or a double quo...
To solve this issue, we will have to make sure that increment operation on count is atomic, we can do that using Synchronization but Java 5 java.util.concurrent.atomic provides wrapper classes for int and long that can be used to achieve this atomically without the usage of Synchronization. ...
How will Java handle that and how you can solve it, and the difference between abstract class and interface in Java 8? Once you went through those articles, you would have a good knowledge of default methods in Java 8. In order to summarize those articles and revise the key concept, I...
in Java. Since the tree is a recursive data structure, you can apply the same algorithm to both the left and right subtree. In order to solve this problem, the first thing you should know is what is a leaf node because if you don't know that then you won't be able to solve the...
Looking forward to appear in Java Interview, here are the key Java Interview Questions with Answers only for you. - aatul/Java-Interview-Questions-Answers