/***************************************************************************
 if testen
 ***************************************************************************/

import java.io.*;

public class iftest
{

	public static void main(String[] args) throws IOException
	{
		String teststring					=	"test";

		if( !(teststring	==	null ||
				teststring.equals("")))
		{
			System.out.println("1. if, if-zweig (String gef?llt)");
		}

		if(teststring	==	null ||
			teststring.equals(""));
		else
		{
			System.out.println("2. if, else-zweig (String gef?llt)");
		}

		if(teststring	==	null ||
			teststring.equals(""))
		{
			;
		}
		else
		{
			System.out.println("3. if, else-zweig (String gef?llt)");
		}

		if(teststring	==	null ||
			teststring.equals(""))
		{
			System.out.println("4. if, if-zweig (String ist leer)");
		}
		else
		{
			System.out.println("4. if, else-zweig (String gef?llt)");
		}
	}
};