![]() ![]() Scanner scanner = new Scanner(new File("/Users/Rajkumar/Downloads/STM. Java Scanner class provides the nextLine() method to facilitates line by line of file’s content. Reader = new BufferedReader(new FileReader( We can read a file line by line in Java in two ways. To answer the question, simply state the main difference between the two. 101) What is the difference between compile-time polymorphism and runtime polymorphism There are the following differences between compile-time polymorphism and runtime polymorphism. Also, each question includes some information that can help refresh your memory. Employers may ask this basic question to gauge your Java proficiency. Let’s check out examples of some of the top Java interview questions. Describe the difference between fail-fast and fail-safe iterators. The dog has its states such as color, name, breed, and behaviors such as barking, eating, wagging her tail. Here are some interview questions you may receive for a Java programming role and examples on how to answer them: 1. This is the reason why Java is not 100% object-oriented language.Įxample: A dog is an object of Animal class. These primitive data types are not object oriented. Java is not a pure Object Oriented Language because it supports primitive data type such as byte, boolean, char, double, float, int, long, short. // 20 Essential Java Interview Questions How do you reverse a string in Java without using the reverse() methods Write a code snippet to implement a. It doesn’t occupy memory for each thread. ![]() Find interview questions with explained answers on core java basics. The multithreading concept of Java shares a common memory area. Java interview questions and answers for beginners and experienced professionals. Multithreaded: Java Multithreaded features allows us to write programs that can perform many tasks simultaneously.High Performance: Java enables high performance with the use of JIT (Just-In-Time) compilers.Secured: Java is well known for its security.Without any modifications, we can use a program on different platforms. Java is a write once, run anywhere language. Platform independent: Java is platform-independent.Portable: Java run time environment uses a bytecode verification process to make sure that code loaded over the network doesn’t violate Java security constraints.Object-Oriented: Java is an object-oriented programming language. Java Professional Interview Guide: Learn About Java Interview Questions and Practise Answering About Concurrency, JDBC, Exception Handling, Spring.Even though Java is based on C++, it was developed by eliminating poor programming practices of C++. Some of the features which play an important role in the popularity of java are as follows: ![]()
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