Java Vector sort() Method

The sort() method of Java Vector class is used to sort the vector according to the order induced by the specified Comparator.

Syntax

Following is the declaration of a sort() method:

Parameter

Parameter	Description	Required/Optional
c	It is the Comparator which is used to compare vector elements.	Required

Return

This method has return type void so, it does not return anything.

Exceptions

Compatibility Version

Java 1.2 and above

Example 1

import java.util.*;
public class VectorSortExample1 {  
	public static void main(String arg[]) {	
	    //Create an empty vector 
	    Vector<Integer> vec = new Vector<>();
	    //Add elements in the vector
	    vec.add(1);
	    vec.add(5);
	    vec.add(2);
	    vec.add(4);
	    vec.add(3);
	    //Display the vector elements
	    System.out.println("Components of the vector: "+vec);      
          //Sorting the vector
          Collections.sort(vec);
          //Displaying the vector elements after sort() method
          System.out.println("Components of the vector after sorting: "+vec);                           
          }
}

Test it Now

Output:

Components of the vector: [1, 5, 2, 4, 3]
Components of the vector after sorting: [1, 2, 3, 4, 5]

Example 2

import java.util.*;
public class VectorSortExample2 {  
	public static void main(String arg[]) {	
	    //Create an empty vector
	    Vector < String > vec = new Vector < String > ();
	    //Add elements in the vector
	    vec.add("White");
	    vec.add("Green");
	    vec.add("Black");
	    vec.add("Orange");
	    System.out.println("The vector elements are: ");
	    //Display the vector elements
          for (String colors : vec) {                      
            System.out.println("  "+colors);
 	    }  	      
          //Sorting the vector
          Collections.sort(vec);
          //Displaying the vector elements after sort() method
          System.out.println("The vector elements after sort() method are: "); 
          for (String colors : vec) {                      
            System.out.println("  "+colors);
   	    }                           
      }
}

Test it Now

Output:

The vector elements are: 
  White
  Green
  Black
  Orange
The vector elements after sort() method are: 
  Black
  Green
  Orange
  White

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