/Java/Find max key value in map in kotlin

Find max key value in map in kotlin

Find the greatest number in hashmap

public class NewClass4 {
    public static void main(String[] args)
    {
        HashMap<Integer,Integer>map=new HashMap<Integer, Integer>();
        map.put(1, 50);
        map.put(2, 60);
        map.put(3, 30);
        map.put(4, 60);
        map.put(5, 60);
        int maxValueInMap=(Collections.max(map.values()));  // This will return max value in the Hashmap
        for (Entry<Integer, Integer> entry : map.entrySet()) {  // Itrate through hashmap
            if (entry.getValue()==maxValueInMap) {
                System.out.println(entry.getKey());     // Print the key with max value
            }
        }

    }
}

Source: stackoverflow.com

Find max key value in map in kotlin

//For kotlin
fun max(map:Map<Int,String>) =  map.maxByOrNull { it.key }?.key ?:-1//returns negative one if the max is null
fun main(){
var map = mapOf(1 to "hello",2 to "peace", 3 to "ochuko")
    println(map.maxByOrNull { it.key }?.key ?:-1)
}

Find max key value in map in kotlin

fun max(map:Map<Int,String>) =  map.maxByOrNull { it.key }?.key ?:-1//returns negative one if the max is null
fun main(){
var map = mapOf(1 to "hello",2 to "peace", 3 to "ochuko")
    println(map.maxByOrNull { it.key }?.key ?:-1)
}

Similar codes

1 vote104 views1 answer
Java transform hashmap to list
Java
-1 vote126 views1 answer
How to do press enter to continue in java
Java
0 vote150 views1 answer
Greatest element in array in java
Java
2 votes137 views1 answer
Using bitwise and in java
Java
0 vote172 views1 answer
Sum of a list using for loop in dart
Java
0 vote122 views1 answer
Android popBackStack to specific fragment
Java
1 vote131 views2 answers
Android studio set background color transparent
Java
0 vote131 views1 answer
Period java springboot
Java Spring
7 votes113 views1 answer
Android join list
Java
0 vote117 views1 answer
DMC5 performace mod
Java