java编程代码

				
				import java.io.Serializable;
				
				public class SomeClass implements Serializable
				{
				    private int number;
				    private char letter;
				
				    public SomeClass( )
				    {
				        number = 0;
				        letter = 'A';
				    }
				
				    public SomeClass(int theNumber, char theLetter)
				    {
				        number = theNumber;
				        letter = theLetter;
				    }
				
				    public String toString( )
				    {
				        return "Number = " + number 
				                           + " Letter = " + letter;
				    }
				
				}