Java String equalsIgnoreCase() 方法

public class Test {



   public static void main(String args[]) {

      String Str1 = new String("This is really not immutable!!");

      String Str2 = Str1;

      String Str3 = new String("This is really not immutable!!");

      String Str4 = new String("This IS REALLY NOT IMMUTABLE!!");

      boolean retVal;



      retVal = Str1.equals( Str2 );

      System.out.println("Returned Value = " + retVal );



      retVal = Str1.equals( Str3 );

      System.out.println("Returned Value = " + retVal );



      retVal = Str1.equalsIgnoreCase( Str4 );

      System.out.println("Returned Value = " + retVal );

   }

}