import com.google.bitcoin.crypto.ChildNumber; //导入依赖的package包/类
private DeterministicKey getKey(int... index) throws PinModeLockedException, NoKeyLoadedException {
    ensurePin(PinMode.USER);
    ensureKey();
    List<ChildNumber> path = new ArrayList<ChildNumber>();
    for(int i : index) {
        if((i & 0x80000000) != 0) {
            path.add(new ChildNumber(i & 0x7fffffff, true));
        } else {
            path.add(new ChildNumber(i, false));
        }
    }

    return master.get(path, true, true);
}
 

import com.google.bitcoin.crypto.ChildNumber; //导入依赖的package包/类
DerivedTestCase(String name, ChildNumber[] path, String priv, String pub) {
    this.name = name;
    this.path = path;
    this.pub = pub;
    this.priv = priv;
}