java.util.Collections.min() Method

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Description

The min(Collection<? extends T>, Comparator<? super T>) method is used to return the minimum element of the given collection, according to the order induced by the specified comparator.

Declaration

Following is the declaration for java.util.Collections.min() method.

public static <T> T min(Collection<? extends T> coll,Comparator<? super T> comp)							 

Parameters

  • coll-- The collection whose minimum element is to be determined.

  • comp-- The comparator with which to determine the minimum element.

Return Value

The method call returns the minimum element of the given collection, according to the specified comparator.

Exception

  • ClassCastException--This is thrown if the collection contains elements that are not mutually comparable using the specified comparator.

  • NoSuchElementException--This is thrown if the collection is empty.

Example

The following example shows the usage of java.util.Collections.min()

package com.tutorialspoint;

import java.util.*;

public class CollectionsDemo {
   public static void main(String args[]) { 
      // create link list object 
      LinkedList<Integer> list = new LinkedList<Integer>();
	  
      // populate the list  
      list.add(-18);  
      list.add(40);  
      list.add(-45);  
      list.add(12); 
      
      // comparing using natural ordering
      System.out.println("Min val: " + Collections.min(list,null));          
   }  
}

Let us compile and run the above program, this will produce the following result.

Min val: -45



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