import java.io.*; public class OOSNoCallDefault implements Serializable { int x; String s; boolean b; OOSNoCallDefault() {} OOSNoCallDefault( int X, String S, boolean B ) { x = X; s = S; b = B; } public boolean equals( Object o ) { OOSNoCallDefault oo = (OOSNoCallDefault)o; return oo.x == x && oo.b == b && oo.s.equals( s ); } private void writeObject( ObjectOutputStream oos ) throws IOException { oos.writeInt( x ); oos.writeObject( s ); oos.writeBoolean( b ); } private void readObject( ObjectInputStream ois ) throws ClassNotFoundException, IOException { x = ois.readInt(); s = (String)ois.readObject(); b = ois.readBoolean(); } }