Q. What is the difference between Singleton and Immutable object
Java Support Analyst Interview Questions
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how are you? Have you ever worked
How do you nullify or remove the unused objects from memeory?
what is the output public class Barclays { static class A{ A(){ f(); } public void f(){ System.out.println("A ctor"); } } static class B extends A{ B(){ f(); } public void f(){ System.out.println("B ctor"); } } public static void main(String[] args) { B b = new B(); b.f(); A a = new A(); a.f(); } }
Write a method to remove even numbers from list without using any other collection.
1. Implement Comparable Interface? 2. Write a Employee class and sort its properties age and Emp name? 3. How actually hashmap works in Java? 4. How the size of ArrayList grows dynamically?
Yeah, it is not thread safe, you can call it just a certain number of times, what would you do? There is some feature in the language, but I'm trying to see what you think.
Program : find duplicate string from list
1. Java 8 questions 2. Overloading, overriding 3. Exception 4. Internal working of java 8 stream api 5. Java 8 date & time que and internal working Overall easy questions, basic core java interview questions Client interview - hashmap , linked hashmap internal working
Draw merge sort on paper.
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