java.util.HashMap.forEach()方法的使用及代码示例

x33g5p2x  于2022-01-16 转载在 其他  
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本文整理了Java中java.util.HashMap.forEach()方法的一些代码示例，展示了HashMap.forEach()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。HashMap.forEach()方法的具体详情如下：
包路径：java.util.HashMap
类名称：HashMap
方法名：forEach

HashMap.forEach介绍

暂无

代码示例

代码示例来源：origin: stackoverflow.com

HashMap<Integer,Integer> hm = new HashMap<Integer, Integer>();
/*
 *     Logic to put the Key,Value pair in your HashMap hm
 */

// Print the key value pair in one line.
hm.forEach((k,v) -> System.out.println("key: "+k+" value:"+v));

代码示例来源：origin: stackoverflow.com

hm.forEach((k,v) -> System.out.println("key: "+k+" value:"+v));

代码示例来源：origin: gchq/Gaffer

@Override
  public String toString() {
    final ToStringBuilder sb = new ToStringBuilder(this);
    super.forEach((key, value) -> sb.append(key, String.format("<%s>%s", value.getClass().getCanonicalName(), value)));
    return sb.build();
  }
}

代码示例来源：origin: lettuce-io/lettuce-core

@Override
public CompletableFuture<Void> closeAsync() {
  if (closed) {
    return closeFuture;
  }
  closed = true;
  HashMap<RedisURI, ConnectionFuture<StatefulRedisPubSubConnection<String, String>>> connections = new HashMap<>(
      pubSubConnections);
  List<CompletableFuture<Void>> futures = new ArrayList<>();
  connections.forEach((k, f) -> {
    futures.add(f.exceptionally(t -> null).thenCompose(c -> {
      if (c == null) {
        return CompletableFuture.completedFuture(null);
      }
      c.removeListener(adapter);
      return c.closeAsync();
    }).toCompletableFuture());
    pubSubConnections.remove(k);
  });
  Futures.allOf(futures).whenComplete((aVoid, throwable) -> {
    if (throwable != null) {
      closeFuture.completeExceptionally(throwable);
    } else {
      closeFuture.complete(null);
    }
  });
  return closeFuture;
}

代码示例来源：origin: eclipse-vertx/vert.x

@Test
public void testRequestHeadersWithCharSequence() {
 HashMap<CharSequence, String> headers = new HashMap<>();
 headers.put(HttpHeaders.TEXT_HTML, "text/html");
 headers.put(HttpHeaders.USER_AGENT, "User-Agent");
 headers.put(HttpHeaders.APPLICATION_X_WWW_FORM_URLENCODED, "application/x-www-form-urlencoded");
 server.requestHandler(req -> {
  assertTrue(headers.size() < req.headers().size());
  headers.forEach((k, v) -> assertEquals(v, req.headers().get(k)));
  headers.forEach((k, v) -> assertEquals(v, req.getHeader(k)));
  req.response().end();
 });
 server.listen(onSuccess(server -> {
  HttpClientRequest req = client.request(HttpMethod.GET, DEFAULT_HTTP_PORT, DEFAULT_HTTP_HOST, DEFAULT_TEST_URI, resp -> testComplete());
  headers.forEach((k, v) -> req.headers().add(k, v));
  req.end();
 }));
 await();
}

代码示例来源：origin: eclipse-vertx/vert.x

@Test
public void testResponseHeadersWithCharSequence() {
 HashMap<CharSequence, String> headers = new HashMap<>();
 headers.put(HttpHeaders.TEXT_HTML, "text/html");
 headers.put(HttpHeaders.USER_AGENT, "User-Agent");
 headers.put(HttpHeaders.APPLICATION_X_WWW_FORM_URLENCODED, "application/x-www-form-urlencoded");
 server.requestHandler(req -> {
  headers.forEach((k, v) -> req.response().headers().add(k, v));
  req.response().end();
 });
 server.listen(onSuccess(server -> {
  client.request(HttpMethod.GET, DEFAULT_HTTP_PORT, DEFAULT_HTTP_HOST, DEFAULT_TEST_URI, onSuccess(resp -> {
   assertTrue(headers.size() < resp.headers().size());
   headers.forEach((k,v) -> assertEquals(v, resp.headers().get(k)));
   headers.forEach((k,v) -> assertEquals(v, resp.getHeader(k)));
   testComplete();
  })).end();
 }));
 await();
}

代码示例来源：origin: runelite/runelite

plugin.getObstaclesHull().forEach((obstacle, tile) ->
plugin.getObstaclesTile().forEach((obstacle, tile) ->

代码示例来源：origin: com.typesafe.play/play_2.12

/**
 * @deprecated Deprecated as of 2.7.0. {@link Session} will not be a subclass of {@link HashMap} in future Play releases.
 */
@Deprecated
@Override
public void forEach(BiConsumer<? super String, ? super String> action) {
  super.forEach(action);
}

代码示例来源：origin: com.typesafe.play/play

/**
 * @deprecated Deprecated as of 2.7.0. {@link Flash} will not be a subclass of {@link HashMap} in future Play releases.
 */
@Deprecated
@Override
public void forEach(BiConsumer<? super String, ? super String> action) {
  super.forEach(action);
}

代码示例来源：origin: com.typesafe.play/play_2.11

/**
 * @deprecated Deprecated as of 2.7.0. {@link Session} will not be a subclass of {@link HashMap} in future Play releases.
 */
@Deprecated
@Override
public void forEach(BiConsumer<? super String, ? super String> action) {
  super.forEach(action);
}

代码示例来源：origin: com.typesafe.play/play_2.11

/**
 * @deprecated Deprecated as of 2.7.0. {@link Flash} will not be a subclass of {@link HashMap} in future Play releases.
 */
@Deprecated
@Override
public void forEach(BiConsumer<? super String, ? super String> action) {
  super.forEach(action);
}

代码示例来源：origin: com.typesafe.play/play_2.12

/**
 * @deprecated Deprecated as of 2.7.0. {@link Flash} will not be a subclass of {@link HashMap} in future Play releases.
 */
@Deprecated
@Override
public void forEach(BiConsumer<? super String, ? super String> action) {
  super.forEach(action);
}

代码示例来源：origin: com.typesafe.play/play

/**
 * @deprecated Deprecated as of 2.7.0. {@link Session} will not be a subclass of {@link HashMap} in future Play releases.
 */
@Deprecated
@Override
public void forEach(BiConsumer<? super String, ? super String> action) {
  super.forEach(action);
}

代码示例来源：origin: stackoverflow.com

HashMap<Integer,Integer> hm = new HashMap<Integer, Integer>();
/*
 *     Logic to put the Key,Value pair in your HashMap hm
 */

// Print the key value pair in one line.

hm.forEach((k,v) -> System.out.println("key: "+k+" value:"+v));

// Just copy and paste above line to your code.

代码示例来源：origin: wildfly/wildfly

@Override
  public void configure(final DeploymentPhaseContext context, final ComponentDescription description, final ComponentConfiguration configuration) throws DeploymentUnitProcessingException {
    final DeploymentUnit deploymentUnit = context.getDeploymentUnit();
    String contextID = deploymentUnit.getName();
    if (deploymentUnit.getParent() != null) {
      contextID = deploymentUnit.getParent().getName() + "!" + contextID;
    }
    EJBComponentDescription ejbComponentDescription = (EJBComponentDescription) description;
    final boolean securityRequired = isExplicitSecurityDomainConfigured();
    ejbComponentDescription.setSecurityRequired(securityRequired);
    if (isSecurityDomainKnown()) {
      final HashMap<Integer, InterceptorFactory> elytronInterceptorFactories = getElytronInterceptorFactories(contextID, ejbComponentDescription.isEnableJacc(), false);
      elytronInterceptorFactories.forEach((priority, elytronInterceptorFactory) -> configuration.addPostConstructInterceptor(elytronInterceptorFactory, priority));
    } else {
      configuration.addPostConstructInterceptor(new SecurityContextInterceptorFactory(securityRequired, false, contextID), InterceptorOrder.View.SECURITY_CONTEXT);
    }
  }
});

代码示例来源：origin: wildfly/wildfly

if (ejbComponentDescription.isSecurityDomainKnown()) {
  final HashMap<Integer, InterceptorFactory> elytronInterceptorFactories = getElytronInterceptorFactories(policyContextID, ejbComponentDescription.isEnableJacc(), true);
  elytronInterceptorFactories.forEach((priority, elytronInterceptorFactory) -> configuration.addTimeoutViewInterceptor(elytronInterceptorFactory, priority));
} else if (deploymentUnit.hasAttachment(SecurityAttachments.SECURITY_ENABLED)) {
  configuration.addTimeoutViewInterceptor(new SecurityContextInterceptorFactory(securityRequired, policyContextID), InterceptorOrder.View.SECURITY_CONTEXT);

代码示例来源：origin: wildfly/wildfly

elytronInterceptorFactories.forEach((priority, elytronInterceptorFactory) -> viewConfiguration.addViewInterceptor(elytronInterceptorFactory, priority));
} else {
  viewConfiguration.addViewInterceptor(new SecurityContextInterceptorFactory(securityRequired, true, contextID), InterceptorOrder.View.SECURITY_CONTEXT);

代码示例来源：origin: stackoverflow.com

hm.forEach((k,v) -> System.out.println("key: "+k+" value:"+v));

代码示例来源：origin: io.vertx/vertx-core

@Test
public void testRequestHeadersWithCharSequence() {
 HashMap<CharSequence, String> headers = new HashMap<>();
 headers.put(HttpHeaders.TEXT_HTML, "text/html");
 headers.put(HttpHeaders.USER_AGENT, "User-Agent");
 headers.put(HttpHeaders.APPLICATION_X_WWW_FORM_URLENCODED, "application/x-www-form-urlencoded");
 server.requestHandler(req -> {
  assertTrue(headers.size() < req.headers().size());
  headers.forEach((k, v) -> assertEquals(v, req.headers().get(k)));
  headers.forEach((k, v) -> assertEquals(v, req.getHeader(k)));
  req.response().end();
 });
 server.listen(onSuccess(server -> {
  HttpClientRequest req = client.request(HttpMethod.GET, DEFAULT_HTTP_PORT, DEFAULT_HTTP_HOST, DEFAULT_TEST_URI, resp -> testComplete());
  headers.forEach((k, v) -> req.headers().add(k, v));
  req.end();
 }));
 await();
}

代码示例来源：origin: io.vertx/vertx-core

@Test
public void testResponseHeadersWithCharSequence() {
 HashMap<CharSequence, String> headers = new HashMap<>();
 headers.put(HttpHeaders.TEXT_HTML, "text/html");
 headers.put(HttpHeaders.USER_AGENT, "User-Agent");
 headers.put(HttpHeaders.APPLICATION_X_WWW_FORM_URLENCODED, "application/x-www-form-urlencoded");
 server.requestHandler(req -> {
  headers.forEach((k, v) -> req.response().headers().add(k, v));
  req.response().end();
 });
 server.listen(onSuccess(server -> {
  client.request(HttpMethod.GET, DEFAULT_HTTP_PORT, DEFAULT_HTTP_HOST, DEFAULT_TEST_URI, resp -> {
   assertTrue(headers.size() < resp.headers().size());
   headers.forEach((k,v) -> assertEquals(v, resp.headers().get(k)));
   headers.forEach((k,v) -> assertEquals(v, resp.getHeader(k)));
   testComplete();
  }).end();
 }));
 await();
}

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