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The problem with the swap function is that it loses the value at the first index, as soon as it gets overwritten by the value at the second index. This happens in the first statement. To fix it, you need a helper variable.
First you're going to "park" the index at the first index in that helper variable, then you can safely overwrite it with the value at the second index. Then finally you can write the parked value to the second index:
var swap = function(array, firstIndex, secondIndex) {
let helper = array[firstIndex];
array[firstIndex] = array[secondIndex];
array[secondIndex] = helper;
};
I hope this makes sense to you.
Answer:
a document organization can help because it's organized and easy to read on a document.
Answer: Serializable interface is the interface that acts as the maker persisting without any specific method and members in Java. The maker has the objective of identification of class for serialization method. This helps in the conversion of the object value in the byte form.
Object is serialized by converting the state into byte version and thus can be returned to object copy . The java.io.Serializable interface is the requirement for the conversion of any object of particular class or superclass. This technique is followed for making the data flow on the network efficient and easy.
