Scala TreeSet forall() method with example
In Scala TreeSet class, the forall() method is utilized to check if a predicate holds true for all the elements of the TreeSet.
Method Definition: def forall(p: (A) => Boolean): Boolean
Return Type: It returns true if the predicate holds true for all the elements of the TreeSet or else returns false.
Example #1:
// Scala program of forall() // method // Import TreeSet import scala.collection.mutable._ // Creating object object GfG { // Main method def main(args:Array[String]) { // Creating TreeSet val t1 = TreeSet(2, 4, 6, 7, 8, 9) // Print the TreeSet println(t1) // Applying forall() method val result = t1.forall(x => {x % 7 == 0}) // Displays output println("All the elements are divisible by 7: " + result) } } |
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Output:
TreeSet(2, 4, 6, 7, 8, 9) All the elements are divisible by 7: false
Example #2:
// Scala program of forall() // method // Import TreeSet import scala.collection.mutable._ // Creating object object GfG { // Main method def main(args:Array[String]) { // Creating TreeSet val t1 = TreeSet(2, 4, 6, 8) // Print the TreeSet println(t1) // Applying forall() method val result = t1.forall(x => {x % 2 == 0}) // Displays output println("All the elements are even: " + result) } } |
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Output:
TreeSet(2, 4, 6, 8) All the elements are even: true
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