Java технологія. Основні риси та перспективи застосування

private String readline() {

try {

return in.readLine();

} catch (IOException e) {

return null;

}

}

static private final int NAME = 1;

static private final int QUIT = 2;

static private final int TO = 3;

static private final int DELETE = 4;

static private Hashtable keys = new Hashtable();

static private String keystrings[] = {

"", "name", "quit", "to", "delete"

};

static {

for (int i = 0; i < keystrings.length; i++)

keys.put(keystrings[i], new Integer(i));

}

private int lookup(String s) {

Integer i = (Integer) keys.get(s);

return i == null ? -1 : i.intValue();

}

public void run() {

String s;