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Data integrity helps to make sure if something is communicate and not tampered with in the mean while when transmission take place.
Checksums: Simply inserts the bytes within a request message or a file. If the checksums match the integrity is obtained. The weakness with the simplest form of checksum is that some times garbage can be added to create sums equal like
ABCDE == EDCBA
There are more enhanced checksums like CRC-32, Adler-32, which are designed to address the above weakness by considering not only the number of each byte but also its position.
Cryptography hashes: This uses a mathematical function to make a small result called message digest from the input message. Difficult to make false positives. Common hash methods are MD5, SHA etc.
Two types of bean injections are there:- 1. By setter 2. By constructor
Explain the difference between pre-emptive scheduling and time slicing ?
Write a code in java to explain the while loop in Java? // This is the Hello program in Java class Hello { public static void main (String args[]) { System.out.print("
Explain final fields ? You may also declare fields to be final. This is not the similar thing as declaring a method or class to be final. While a field is declared final, it is
Maintenance and Administration activities: Name : e-Commerce OS and Soft wares : Websphere 6.0, IHS, Unix, Weblogic 8.1 Maintenance an
The break statement is utilized for terminating the current While or For loop and after that transferring program control towards statement just after the terminated loop. The foll
1. Which of the following are not valid Java identifiers, and why? (a) wolVes (b) United(there is only one) (c) 87 (d) 5 3 (e) Real ale (f) isFound?by 2. A cla
The process of applying aspects to a target object to form a new proxy object is known as Weaving. The aspects are woven into the target object at the verified join points.
JDBC Assignment Banking Database System: BankCustomer CUST_ID CUST_NAME ADDRESS ACC_TYPE CUST_ID
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