ajaynitt

621. Task Scheduler
https://leetcode.com/submissions/detail/476271316/
Solution : 

    public static int leastInterval2(char[] tasks, int n) {


        Integer[] taskOccurence = new Integer[26];
        Arrays.fill(taskOccurence, 0);

ajaynitt

(1)URL Shortening Service like tiny URL
https://www.educative.io/courses/grokking-the-system-design-interview/m2ygV4E81AR


(2)

ajaynitt

https://www.educative.io/courses/grokking-the-behavioral-interview/N0WMEjEQqYN

ajaynitt

package com.ajay.volatile_example;


public class VolatileTest {

    private static volatile int MY_INT = 0;

    public static void main(String[] args) {
        new ChangeListener().start();
        new ChangeMaker().start();

ajaynitt

https://overthewire.org/wargames/maze/

ajaynitt

public class MyProgram {


  public static void main(String[] args) {

    // Create an 'MyObject' for the first time the application started

    MyObject obj = new MyObject();

  }

ajaynitt

Cloning is not automatically available to classes. There is some help though, as all Java objects inherit the protected Object clone() method. This base method would allocate the memory and do the bit by bit copying of the object's states.

You may ask why we need this clone method. Can't we create a constructor, pass in the same object and do the copying variable by variable? An example would be (note that accessing the private memberVar variable of obj is legal as this is in the same class): 
  
  
  public class MyObject {

   private int memberVar;

...

ajaynitt

Oracle provides these transaction isolation levels.
Read committed
Serializable
Read Only
--------------------
https://docs.oracle.com/cd/B14117_01/server.101/b10743/consist.htm

ajaynitt

//https://leetcode.com/problems/erect-the-fence/description/

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;

/**
 * Created by ajaykumar.yadav on 11/09/18.
 **/

ajaynitt

(1)  
What are JavaScript Data Types?

Following are the JavaScript Data types:

Number
String
Boolean
Function
Object