import java.lang.AssertionError; //导入依赖的package包/类
/**
 * Register a command line option.
 * @param c Single character designator for this option.  It cannot be '-'.
 * @param s Full word designator for this option.  This can be null, in which case
 * no long designator will exist for this option.
 * @param ve If REQUIRED, a value will be expected with this option.  If
 * OPTIONAL a value will be accepted if it is seen.
 * @throws AssertionError if there is no short option, or if this option has already been
 * used.
 */
public void registerOpt(char c, String s, ValueExpected ve)
{
    if (c == '-') {
        throw new AssertionError("CmdLineParser:  '-' is not a legal single character designator.");
    }

    Character cc = Character.valueOf(c);
    if (mShort.put(cc, ve) != null) {
        throw new AssertionError("CmdLineParser:  You have already registered option " + cc.toString());
    }

    if (mLong != null) {
        if (mLong.put(s, cc) != null) {
            throw new AssertionError("CmdLineParser:  You have already registered option " + s);
        }
    }
}
 

import java.lang.AssertionError; //导入依赖的package包/类
private synchronized int insert_context(BluetoothDevice dev) {
    String addr = dev.getAddress();

    if (addr_ctx.containsKey(addr)) {
        throw new AssertionError("Trying to reinsert context for " + addr);
    }
    int context = new_context();

    ctx_dev.put(context, dev);
    addr_ctx.put(addr, context);
    path_ctx.put(PATH_PREFIX + context, context);

    return context;
}
 

import java.lang.AssertionError; //导入依赖的package包/类
/** Throw an AssertionError if the boolean parameter is not true. */
    public static void check(boolean b, String message) {
        if( ! b )
        	throw new AssertionError(message) ; }