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Email : ggbillion@gmail.com Call : +91-9971999340 Whatsapp : +91-9971999340 Custom Preparation for Interviews Design Patterns Live project Overview System Designing Discussion Java Interview Question Discussion Spring Interview Question Discussion Hibernate Interview Question…

Pass by Value

Pass by Value   Technically in java, we don’t have pass by reference. All the calls made to methods passing arguments are pass by value.   Let’s understand this for 2 scenarios…

What is Method

What is Method   Method is a collection of statements which is referred by a name and can be invoked at any point of time.   Why Method is required   In…

Palindrome Permutation

Palindrome Permutation   Write a function to check if any combination of characters of the given string can be a palindrome.   e.g. Tact Coa Output : True Explanation: “atco cta” can be…

String Permutation

String Permutation   Write an algorithm to check if a string is a permutation of the given string.   Given String:  gupta   Input:  atugp   Output : true. Since input1 is…

Replace Space with %20

Replace Space with %20   Write a method to replace every space within string with %20.   example :   Input : “Mr John Smith    ”   Output : Mr%20John%20Smith   Here is…

Insert Node at Nth position in Circular LinkedList

Insert Node at Nth position in Circular LinkedList   To insert the Node at the nth position in the circular linked list   Iterate the list till n-1th node. set the next…

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