interface vs abstract class
Java Developer Production Support Interview Questions
26,933 java developer production support interview questions shared by candidates
What is thread, what are the ways to start one and here to put your logic.
find a loop in linked and write a code for "whether a BT is BST?". Algos for matrix manipulation...
About docker, CI, CD, the differences between different webservers... and normal qustions about OOP.
I used Java 8 so he asked which features are not in previous versions of java? What are new features in java8?
package com.interview; public class Threading { int counter; class Mythread extends Thread{ @Override public void run(){ for(int i=0; i < 10000; i++) counter++; System.out.println("run = " + counter); } } public static void main(String[] args) throws InterruptedException { // TODO Auto-generated method stub Threading a = new Threading(); Mythread t1 = a.new Mythread(); t1.start(); t1.join(); System.out.println("" + a.counter); } }
How hashmap internally calculate hashcode
There 4 rounds of interviews..two technical each of 30-45 mins..1 managerial round and last one is HR .. questions were related to core java SQL and Unix...HR told me about positive feedback and took all my docs but later on they didn't provide me the offer even after follw up of 2 months
there was one exercise to implement a function which takes a number as a parameter "A" and must draw a X of stars and spaces and height "A" for example for A=5 * * * * * * * * *
There were series of questions without giving any time to answer or to think. If the panel was running out of time, they should have rescheduled the interview.
Viewing 1201 - 1210 interview questions