Collections: copy(List dest, List src) : Collections « java.util « Java by API





Collections: copy(List dest, List src)

  
/*
 Output:

[U, C, L]
Exception in thread "main" java.lang.IndexOutOfBoundsException: Source does not fit in dest
  at java.util.Collections.copy(Collections.java:531)
  at MainClass.main(MainClass.java:21)


 * */

import java.util.Arrays;
import java.util.Collections;
import java.util.List;

public class MainClass {
  public static void main(String args[]) throws Exception {
    List wineMakers = Arrays.asList(new String[] { "U", "C" });
    List barFlies = Arrays.asList(new String[] { "U", "C", "L" });
    Collections.copy(barFlies, wineMakers);
    System.out.println(barFlies);
    Collections.copy(wineMakers, barFlies);
  }
}

           
         
    
  










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