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Scala Set subsetOf() method with example
  • Last Updated : 18 Oct, 2019

The subsetOf() method is utilized to test if a set is a subset of another set.

Method Definition: def subsetOf(that: Set[A]): Boolean

Return Type: It returns true if a set is subset of another set else it returns false.

Example #1:




// Scala program of subsetOf() 
// method 
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
        // Creating a set 
        val s1 = Set(4, 12, 2, 31
          
        val s2 = Set(4, 12)
          
        // Applying subsetOf method 
        val result = s2.subsetOf(s1)
          
        // Display output
        println(result)
    
Output:
true

Example #2:




// Scala program of subsetOf() 
// method 
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
        // Creating a set 
        val s1 = Set(4, 12, 2, 31
          
        val s2 = Set(4, 12)
          
        // Applying subsetOf method 
        val result = s1.subsetOf(s2)
          
        // Display output
        println(result)
    
Output:
false



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