To have a better understanding of core Java interview questions for experienced candidates, one needs to check out courses offered by Sprintzeal in this regard. Conclusion JavaScript is a vast topic. The list of Java basic interview questions could be endless. But we hope you’ve found this co...
Basic Java Interview Questions Q1. Explain JDK, JRE and JVM? JDK vs JRE vs JVM JDK JRE JVM It stands for Java Development Kit. It stands for Java Runtime Environment. It stands for Java Virtual Machine. It is the tool necessary to compile, document and package Java programs. JRE refers...
JVM (Java Virtual Machine): Runs Java bytecodeacross different platforms. 58) A reason why java is platform independent? By compiling Java code into bytecode, Java is platform-independent, and theJVM can run the byte code on any platform. 59) Why Java isnot 100% Object-oriented? Java is...
Java’s main method is public and static so that Java runtime can access it without initializing the class. The input parameter is an array of String through which we can pass runtime arguments to the java program. Check this post to learnhow to compile and run a java program. 18. What...
Top 15 Java Interview Questions on Constructors Posted by: instance of java Posted date: 16:55 1. Define Constructor? Constructor is a special method given in OOP language for creating and initializing object. In java , constructor role is only initializing object , and new keyword role is cr...
LeetCode Top Interview Questions 334. Increasing Triplet Subsequence (Java版; Medium) 题目描述 Given an unsorted array return whether an increasing subsequence of length 3 exists or not in the array. Formally the function should: Return true if there exists i, j, k ...
LeetCode Top Interview Questions 204. Count Primes (Java版; Easy) 题目描述 Count the number of prime numbers less than a non-negative number, n. Example: Input: 10 Output: 4 Explanation: There are 4 prime numbers less than 10, they are 2, 3, 5, 7. ...
Basic Django Interview Questions for FreshersIf you are preparing for a job as an intern or a beginner, then below are some of the most asked Django interview questions and answers for freshers. 1. What is Django? And why is it used?
Top 25 Java Interview Questions : 1. Which two method you need to implement for key Object in HashMap ? In order to use any object as Key in HashMap, it must implements equals and hashcode method in Java. ReadHow HashMap works in Javafor detailed explanation on how equals and hashcode...
26. Can Enum extend class in Java? (No, because Java allows a class to only extend one class and enum by default extendsjava.lang.Enum,see here for moreEnum interview questions) 27. How to prevent your class from being subclassed? (Make it final or make constructor private) ...