public class String1   
{
	public static void main ( String [] args )   
	{
		String str1 = new String ( "This is a string" );
		String str2 = "Hello World!";
		String str3 = "\t\n\n\tHello World!\n";
		System.out.println ( str1 );
		System.out.println ( str2 );
		System.out.println ( str3 );
	}
}