Blog: Java tutorial for beginners (Arpit Mandliya)


221 blogs updated: 3 min. ago
Lowest Common Ancestor (LCA) for n-ary Tree
In this post, we will see about Lowest Common Ancestor for n-ary Tree. Problem Given a n-ary tree also known as a Generic Tree and also two ...
0
16-11-2018 20:53:30 Java tutorial for ... (Arpit Mandliya) Beginners
Segment Tree in java
In this post, we will see about Segment Tree in java. Problem Consider an Array of Integers, int arr = {a1, a2, a3, a4, a5, .., an}; Given t...
0
12-11-2018 20:11:37 Java tutorial for ... (Arpit Mandliya) Beginners
Find the local minima in array
In this post, we will see how to find the local minima in the array. Problem An element is local minima if it is less than its neighbors. So...
0
31-10-2018 20:42:09 Java tutorial for ... (Arpit Mandliya) Beginners
Edit Distance Problem in java
In this post, we will see edit distance problem in java Problem Given two strings string1 and string2, String1 is to be converted into Strin...
3
30-10-2018 20:14:45 Java tutorial for ... (Arpit Mandliya) Beginners
Java add to array
In this post, we will see how to add elements to the array. Using Apache's common lang library You can use varargs add method to add element...
4
25-10-2018 01:57:27 Java tutorial for ... (Arpit Mandliya) Beginners
Invoke Getters And Setters Using Reflection in java
In this post, we will see how to call getters and setters using reflection in java. We have already seen how to invoke method using reflecti...
4
24-10-2018 19:54:08 Java tutorial for ... (Arpit Mandliya) Beginners
Why wait(), notify() And notifyAll() methods are in Object Class
In this post, we will see why wait(), notify() And notifyAll() methods are in Object Class And Not in Thread Class. This is one of the most ...
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23-10-2018 01:16:29 Java tutorial for ... (Arpit Mandliya) Beginners
Sliding Window Maximum in java
In this post, we will see about Sliding Window Maximum in java Problem Given an Array of integers and an Integer k, Find the maximum element...
5
22-10-2018 19:13:37 Java tutorial for ... (Arpit Mandliya) Beginners
Difference between equals() and == in java
In this post, we will see about the difference between equals and == in java. This is most asked java interview question for fresher or 2-ye...
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22-10-2018 01:01:14 Java tutorial for ... (Arpit Mandliya) Beginners
How to Sort HashSet in Java
In this post, we will see how to sort HashSet in java. HashSet is a collection which does not store elements in any order. You might come ac...
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21-10-2018 18:54:14 Java tutorial for ... (Arpit Mandliya) Beginners


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