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3 wrz 2024 · Here, we cover everything, including core Java concepts, Object-Oriented Programming (OOP), multithreading, exception handling, design patterns, Java Collections, and more, that will surely help you to crack Java interviews.
I'm working on a Java project where I need to reduce the file size of a PDF. I’m using PDFBox /itextPdf to handle PDF files, but I’m not sure how to optimize or compress the PDF to reduce its size. ...
11 maj 2024 · Core Java Questions for Beginners. Q1. Is Data Passed by Reference or by Value in Java? Q2. What Is the Difference Between Import and Static Imports? Q3. Which Access Modifiers Are Available in Java and What Is Their Purpose? Q4. Which Other Modifiers Are Available in Java and What Is Their Purpose? Q5.
23 lis 2022 · If you’re interviewing for a Java programming role, then your coding skills will probably be tested. Whether you’re a beginner in Java or an expert programmer, this article provides some common Java interview questions and answers to help you prepare. 1. How do you reverse a string in Java? There is no reverse() utility method in the String ...
1 kwi 2024 · In this blog we cover top 20 Java interview questions on a variety of topics including Java collections, generic types, interfaces, lambda functions, inner classes, anonymous classes, concurrency, and others.
The core Java interview questions are categorized in Basics of Java interview questions, OOPs interview questions, String Handling interview questions, Multithreading interview questions, collection interview questions, JDBC interview questions, etc.
