Digit Wood
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Java SHA-256 : Hacker Rank Solution : Digit Wood
Cryptographic hash functions are mathematical operations run on digital data; by comparing the computed hash (i.e., the output produced by executing a hashing algorithm) to a known and expected hash value, a person can determine the data’s integrity. For example, computing the hash of a downloaded file and comparing the result to a previously published hash result…
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Java MD5 : Hacker Rank Solution : Digit Wood
MD5 (Message-Digest algorithm 5) is a widely-used cryptographic hash function with a 128-bit hash value. Here are some common uses for MD5: MD5 is one in a series of message digest algorithms designed by Professor Ronald Rivest of MIT (Rivest, 1994); however, the security of MD5 has been severely compromised, most infamously by the Flame malware in 2012. The CMU Software Engineering Institute essentially…
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Java Annotations : Hacker Rank Solution : Digit Wood
Java annotation can be used to define the metadata of a Java class or class element. We can use Java annotation at the compile time to instruct the compiler about the build process. Annotation is also used at runtime to get insight into the properties of class elements. Java annotation can be added to an…
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Java Visitor Pattern : Hacker Rank Solution : Digit Wood
Note: In this problem you must NOT generate any output on your own. Any such solution will be considered as being against the rules and its author will be disqualified. The output of your solution must be generated by the uneditable code provided for you in the solution template. An important concept in Object-Oriented Programming is the open/closed principle,…
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Prime Checker : Hacker Rank Solution : Digit Wood
You are given a class Solution and its main method in the editor. Your task is to create a class Prime. The class Prime should contain a single method checkPrime. The locked code in the editor will call the checkPrime method with one or more integer arguments. You should write the checkPrime method in such a way that the code prints only the prime numbers. Please read the…
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Select By ID : Hacker Rank Solution : Digit Wood
Query all columns for a city in CITY with the ID 1661. The CITY table is described as follows: SOLUTION: FOLLOW FOR MORE QUESTIONS AND SOLUTIONS |Â DIGIT WOOD
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