Blog: Java tutorial for beginners (Arpit Mandliya) |
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221 blogs
updated: 3 min. ago
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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 ...
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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...
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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...
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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...
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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...
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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...
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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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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...
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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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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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