Delete a given node from a Linked List without using extra memory.
Java Intern Interview Questions
30,868 java intern interview questions shared by candidates
interface vs abstract class
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?
They Asked SQL, JAVA, Web each of 2,2,1 respectively
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
Given a list of timestamped server requests with IPs and IDs, implement rate limiting: reject requests if an IP exceeds N requests within 1000ms. Return IDs of rejected requests.
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