java change value in hashmap code example
Example 1: update value in hashmap java
map.replace(key, map.get(key) + 1);
//or
map.put(key, map.get(key) + 1);
Example 2: change the value in a hashtable java
map.replace(key, newValue);
Example 3: java hashmap set value
myMap.put(key, value);