Answers for "fastest way to find duplicates in array"

1

find duplicates in array

function findDuplicates(arr) {
	const duplicates = new Set()
  
  return arr.filter(item => {
  	if (duplicates.has(item)) {
    	return true
    }
    duplicates.add(item)
    return false
  })
}
Posted by: Guest on August-06-2021
1

java find duplicates in array

// Uses a set, which does not allow duplicates 

for (String name : names) 
{
     if (set.add(name) == false) 
     {
        // print name your duplicate element
     }
}
Posted by: Guest on May-09-2020

Code answers related to "fastest way to find duplicates in array"

Code answers related to "Java"

Java Answers by Framework

Browse Popular Code Answers by Language