/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

0 vote198 views1 answer
Spring-boot actuator not working
Java Spring
0 vote167 views1 answer
How to compile and run java package program
Java
0 vote163 views3 answers
Java manajro
Java
0 vote204 views1 answer
Neither bindingresult nor plain target object for bean name spring mvc
Java Spring
2 votes200 views4 answers
Sieve of eratosthenes
Java
0 vote175 views1 answer
Bukkit runnable repeating scheduler
Java
32 votes157 views2 answers
Check jdk version windows 10 cmd
Java
0 vote283 views1 answer
GetObject method jdbc
Java
0 vote177 views1 answer
Arc() method from the processing library
Java
1 vote161 views1 answer
Get boolean from string java
Java