Tag Archives: Scala-Map

The transform() method is utilized to transform the elements of the map into a mutable map. Method Definition: def transform(f: (K, V) => V): Map.this.type… Read More

The size() is utilized to find the number of key-value pairs in the stated map. Method Definition: def size: Int Return Type: It returns the… Read More

In Scala the product of the map elements can be done by utilizing foldLeft method. Syntax: m1.foldLeft(1)(_*_._1) Here, m1 is used for a Map, foldLeft… Read More

The retain() method is utilized to retain all the pairs of the map that satisfies the stated condition. Method Definition: def retain(p: (A, B) =>… Read More

In Scala, the sum of the map elements can be done by utilizing foldLeft method. Syntax : m1.foldLeft(0)(_+_._1) Here, m1 is used for a Map,… Read More

The max() method is utilized to find the largest element of the map. Method Definition: def max: (A, B) Return Type: It returns the largest… Read More

The keys() method is utilized to give an iterator over all the keys of the map. Method Definition: def keys: Iterable[A] Return Type: It returns… Read More

The remove() method is utilized to remove a key from the map and return its value only. Method Definition: def remove(key: A): Option[B] Return Type:… Read More

The isEmpty() method is utilized to check if the given map is empty or not. Method Definition: def isEmpty: Boolean Return Type: It returns true… Read More

The foreach() method is utilized to apply the given function to all the elements of the map. Method Definition: def foreach(f: ((A, B)) => Unit):… Read More

The find() method is utilized to find the first element of the map that satisfies the given predicate. Method Definition: def find(p: ((A, B)) =>… Read More

The filterKeys() method is utilized to find all the pairs where the keys satisfies the given predicate. Method Definition: def filterKeys(p: (A) => Boolean): Map[A,… Read More

The filter() method is utilized to select all elements of the map which satisfies a stated predicate. Method Definition: def filter(p: ((A, B))=> Boolean): Map[A,… Read More

The exists() method is utilized to check if the given predicate satisfy the elements of the map or not. Method Definition: def exists(p: ((A, B))… Read More

The last() method is utilized to return the last element of the map. Method Definition: def last: (A, B) Return Type: It returns the last… Read More