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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. public static void main (String[] args) throws java.lang.Exception
  11. {
  12. // `java.util.Arrays$ArrayList`
  13. List < String > list = Arrays.asList( "NY" , "LA" , "Seattle" , "San francisco" );
  14. String className = list.getClass().getName();
  15.  
  16. // java.util.ArrayList
  17. String javaUtilArrayListClassName = new ArrayList < String >().getClass().getName();
  18.  
  19. ArrayList < String > arrayList = new ArrayList <>( Arrays.asList( "NY" , "LA" , "Seattle" , "San francisco" ) );
  20.  
  21. System.out.println( "list = " + list );
  22. System.out.println( "className = " + className );
  23. System.out.println( "javaUtilArrayListClassName = " + javaUtilArrayListClassName );
  24. System.out.println( "arrayList = " + arrayList );
  25. }
  26. }
Success #stdin #stdout 0.09s 50392KB
stdin
Standard input is empty
stdout
list = [NY, LA, Seattle, San francisco]
className = java.util.Arrays$ArrayList
javaUtilArrayListClassName = java.util.ArrayList
arrayList = [NY, LA, Seattle, San francisco]