Set

SET

num |= 1 << x; //SET

Source: includehelp.com

Set

Set<String> names = new HashSet<>();
names.add("John");
names.add("Jack");
names.add("John");
System.out.println(names); // [John, Jack]

names.remove("John");

boolean contains = names.contains("Jack"); // true

for (String name: names) {
    System.out.println(name);
}

Source: github.com

Set

@echo off 
set a[0]=1 
set a[1]=2  
set a[2]=3 
Rem Setting the new value for the second element of the array 
Set a[1]=5 
echo The new value of the second element of the array is %a[1]%

Source: tutorialspoint.com

$set

// https://mongodb.github.io/node-mongodb-native/markdown-docs/insert.html

//To update only selected fields, $set operator needs to be used. Following replacement object replaces author value but leaves everything else intact.

collection.update({_id:"123"}, {$set: {author:"Jessica"}});

How to define a set

emptySet = set()

-1

Source: datacamp.com

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