Простой вопрос по кодировкам в Java

test.java:4: unreported exception java.io.UnsupportedEncodingException; must be caught or declared to be
thrown
                String newString = new String(oldString.getBytes("UTF-8"), "Cp1251");
                                                                ^
test.java:4: unreported exception java.io.UnsupportedEncodingException; must be caught or declared to be
thrown
                String newString = new String(oldString.getBytes("UTF-8"), "Cp1251");
                                   ^
2 errors

class mainClass{
    public static void main(String args[]){
	   	String oldString = "Первый параметр %s\n";
		try{
		    String newString = new String(oldString.getBytes("UTF-8"), "Cp1251");
		    System.out.printf(newString,args[0]);
}                   catch(java.io.UnsupportedEncodingException e){System.out.printf("Fail");}
	            }
}