What is Hash code
Hash code: It is a value returned by a hash function. A hash code can be employed as an index into a random-access data structure, offering a proficient mapping between an object and its position. Employed by classes like HashMap.
Immutable object: It is an object whose state might not be modified. The objects of String class are immutable, for example - their length and contents are fixed once formed.
Package declaration: It is a declaration employed to name a package. This should be the first item in the source file, preceding any import statements. For example, pa
Aliases: It is a multiple references to a single object. Messages might be sent to the object through any of its aliases. The resultant state modifications will be detectable by all.
What is XLink? Answer: It is a part of the XLL specification which is concerned along with specifying links among documents.
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Primitive type: Java's eight standard non-class types are the primitive types as: Boolean, byte, char, float, int, double, long and short.
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