Learn Java, Java interview question

Equals and hashcode methods are the two most important methods for java developers to be aware of. equals() and hashcode() methods become very useful when implementing interactions between several classes in large projects. Java provides equals() and hashcode() for every class to test equality and to provide a hash or digest based on the content of the class.

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Java

December 2, 2019 Sushil Singh

How SubString works in java

The substring(int beginIndex, int endIndex) method of the String class. It returns a new string that is a substring of this string. The substring begins at the specified beginIndex and extends to the character at index endIndex – 1. Thus the length of the substring is endIndex-beginIndex.

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Technology Java

November 23, 2019 Swati Gour

How to Implement Digital Signature ?

Digital Signature A digital signature is a technique used to validate the authenticity and integrity of a message, software or

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Java

November 23, 2019 Sushil Singh

What is Rehashing and Load factor in HashMap?

Rehashing is the process of re-calculating the hashcode of already stored entries (Key-Value pairs), to move them to another bigger size hashmap when the threshold is reached/crossed.