Scala List exists() method with example

The exists() method is utilized to check if the given predicate satisfy the elements of the list or not.

Method Definition: def exists(p: (A) => Boolean): Boolean

Return Type: It returns true if the stated predicate holds true for some elements of the list else it returns false.



Example #1:

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// Scala program of exists()
// method
  
// Creating object
object GfG
  
    // Main method
    def main(args:Array[String])
    {
        // Creating a list
        val m1 = List(1, 2, 3, 4, 5)
          
        // Applying exists method
        val result = m1.exists(y => {y % 3 == 0})
          
        // Displays output
        println(result)
          
    }

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Output:

true

Example #2:

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// Scala program of exists()
// method
  
// Creating object
object GfG
  
    // Main method
    def main(args:Array[String])
    {
        // Creating a list
        val m1 = List(1, 2, 3, 4, 5)
          
        // Applying exists method
        val result = m1.exists(y => {y % 9 == 0})
          
        // Displays output
        println(result)
      
    }

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Output:

false


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