本文整理了Java中java.lang.NullPointerException.<init>()方法的一些代码示例，展示了NullPointerException.<init>()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。NullPointerException.<init>()方法的具体详情如下：
包路径：java.lang.NullPointerException
类名称：NullPointerException
方法名：<init>

NullPointerException.<init>介绍

[英]Constructs a new NullPointerException that includes the current stack trace.
[中]构造包含当前堆栈跟踪的新NullPointerException。

代码示例

代码示例来源：origin: square/okhttp

private CipherSuite(String javaName) {
 if (javaName == null) {
  throw new NullPointerException();
 }
 this.javaName = javaName;
}

代码示例来源：origin: square/okhttp

/** Change the level at which this interceptor logs. */
public HttpLoggingInterceptor setLevel(Level level) {
 if (level == null) throw new NullPointerException("level == null. Use Level.NONE instead.");
 this.level = level;
 return this;
}

代码示例来源：origin: ReactiveX/RxJava

/**
 * Customizes the {@code Throwable} with a custom message and wraps it before it
 * is signalled to the {@code RxJavaPlugins.onError()} handler as {@code OnErrorNotImplementedException}.
 *
 * @param message
 *          the message to assign to the {@code Throwable} to signal
 * @param e
 *          the {@code Throwable} to signal; if null, a NullPointerException is constructed
 */
public OnErrorNotImplementedException(String message, @NonNull Throwable e) {
  super(message, e != null ? e : new NullPointerException());
}

代码示例来源：origin: ReactiveX/RxJava

@Override
  public void subscribe(MaybeObserver<? super Object> observer) {
    throw new NullPointerException("Forced failure");
  }
}).test();

代码示例来源：origin: ReactiveX/RxJava

/**
 * Constructs a CompositeException with the given array of Throwables as the
 * list of suppressed exceptions.
 * @param exceptions the Throwables to have as initially suppressed exceptions
 *
 * @throws IllegalArgumentException if <code>exceptions</code> is empty.
 */
public CompositeException(@NonNull Throwable... exceptions) {
  this(exceptions == null ?
      Collections.singletonList(new NullPointerException("exceptions was null")) : Arrays.asList(exceptions));
}

代码示例来源：origin: ReactiveX/RxJava

/**
 * Creates a NullPointerException instance and sets the given Throwable as its initial cause.
 * @param ex the Throwable instance to use as cause, not null (not verified)
 * @return the created NullPointerException
 */
private static NullPointerException toNpe(Throwable ex) {
  NullPointerException npe = new NullPointerException("Actually not, but can't pass out an exception otherwise...");
  npe.initCause(ex);
  return npe;
}

代码示例来源：origin: ReactiveX/RxJava

@Override
  protected void subscribeActual(SingleObserver<? super Integer> observer) {
    throw new NullPointerException();
  }
}.test();

代码示例来源：origin: ReactiveX/RxJava

@Override
  public void subscribe(CompletableObserver observer) {
    throw new NullPointerException();
  }
}).test();

代码示例来源：origin: square/retrofit

@SuppressWarnings("ConstantConditions") // Guarding public API nullability.
public static <T> Result<T> response(Response<T> response) {
 if (response == null) throw new NullPointerException("response == null");
 return new Result<>(response, null);
}

代码示例来源：origin: square/retrofit

@SuppressWarnings("ConstantConditions") // Guarding public API nullability.
public static <T> Result<T> error(Throwable error) {
 if (error == null) throw new NullPointerException("error == null");
 return new Result<>(null, error);
}

代码示例来源：origin: square/retrofit

/**
 * Returns an instance which creates synchronous observables that
 * {@linkplain Observable#subscribeOn(Scheduler) subscribe on} {@code scheduler} by default.
 */
@SuppressWarnings("ConstantConditions") // Guarding public API nullability.
public static RxJava2CallAdapterFactory createWithScheduler(Scheduler scheduler) {
 if (scheduler == null) throw new NullPointerException("scheduler == null");
 return new RxJava2CallAdapterFactory(scheduler, false);
}

代码示例来源：origin: square/okhttp

/** Returns a copy of this charset that expects a credential encoded with {@code charset}. */
public Challenge withCharset(Charset charset) {
 if (charset == null) throw new NullPointerException("charset == null");
 Map<String, String> authParams = new LinkedHashMap<>(this.authParams);
 authParams.put("charset", charset.name());
 return new Challenge(scheme, authParams);
}

代码示例来源：origin: square/okhttp

public Builder addEncoded(String name, String value) {
 if (name == null) throw new NullPointerException("name == null");
 if (value == null) throw new NullPointerException("value == null");
 names.add(HttpUrl.canonicalize(name, FORM_ENCODE_SET, true, false, true, true, charset));
 values.add(HttpUrl.canonicalize(value, FORM_ENCODE_SET, true, false, true, true, charset));
 return this;
}

代码示例来源：origin: ReactiveX/RxJava

@Override
public void onError(Throwable t) {
  if (terminate) {
    RxJavaPlugins.onError(t);
  } else {
    if (t == null) {
      t = new NullPointerException("onError called with null. Null values are generally not allowed in 2.x operators and sources.");
    }
    terminate = true;
    downstream.onError(t);
  }
}

代码示例来源：origin: ReactiveX/RxJava

@Override
public void onError(Throwable t) {
  if (terminate) {
    RxJavaPlugins.onError(t);
  } else {
    if (t == null) {
      t = new NullPointerException("onError called with null. Null values are generally not allowed in 2.x operators and sources.");
    }
    terminate = true;
    downstream.onError(t);
  }
}

代码示例来源：origin: ReactiveX/RxJava

@Override
public void onNext(T t) {
  if (done || isCancelled()) {
    return;
  }
  if (t == null) {
    onError(new NullPointerException("onNext called with null. Null values are generally not allowed in 2.x operators and sources."));
    return;
  }
  queue.set(t);
  drain();
}

代码示例来源：origin: ReactiveX/RxJava

@Override
public void onNext(T t) {
  if (t == null) {
    onError(new NullPointerException("onNext called with null. Null values are generally not allowed in 2.x operators and sources."));
    return;
  }
  if (!isDisposed()) {
    observer.onNext(t);
  }
}

代码示例来源：origin: ReactiveX/RxJava

@Override
public void onNext(T t) {
  if (done || isCancelled()) {
    return;
  }
  if (t == null) {
    onError(new NullPointerException("onNext called with null. Null values are generally not allowed in 2.x operators and sources."));
    return;
  }
  queue.offer(t);
  drain();
}

代码示例来源：origin: ReactiveX/RxJava

@Override
  public void subscribe(Subscriber<? super Flowable<String>> op) {
    op.onSubscribe(new BooleanSubscription());
    op.onNext(Flowable.unsafeCreate(f1));
    op.onNext(Flowable.unsafeCreate(f2));
    op.onError(new NullPointerException("throwing exception in parent"));
  }
});

代码示例来源：origin: ReactiveX/RxJava

@Override
  public void subscribe(Observer<? super Observable<String>> op) {
    op.onSubscribe(Disposables.empty());
    op.onNext(Observable.unsafeCreate(o1));
    op.onNext(Observable.unsafeCreate(o2));
    op.onError(new NullPointerException("throwing exception in parent"));
  }
});