package o;

import java.util.Iterator;
import java.util.NoSuchElementException;

/* loaded from: classes.dex */
public abstract class ApF<T> implements Iterator<T> {
    public boolean a;
    public T b;
    public boolean e;

    protected abstract void b();

    @Override // java.util.Iterator
    public boolean hasNext() {
        if (!this.e) {
            b();
            this.e = true;
        }
        return this.a;
    }

    @Override // java.util.Iterator
    public T next() {
        if (!this.e) {
            hasNext();
        }
        if (!this.a) {
            throw new NoSuchElementException();
        }
        T t = this.b;
        b();
        if (!this.a) {
            this.b = null;
        }
        return t;
    }

    @Override // java.util.Iterator
    public void remove() {
        throw new UnsupportedOperationException("remove not supported");
    }
}