我被告知這段代碼在處理中不起作用,因爲它是java 8語法,在處理中不支持。我需要幫助將其轉換爲處理中的工作。 Processing 2可以處理什麼語法?有沒有辦法將Java 8語法轉換爲Processing 2?java 8語法轉換進行處理2(twitter4j)
public static void main (String args[]) throws TwitterException {
Twitter twitter = new TwitterFactory().getInstance();
List<Status> statuses = twitter.getUserTimeline("google");
String hashtag = "#AlphaGo";
System.out.println("The Twitter page contains "
+ countTweets(hashtag, statuses)
+ " tweets with the hashtag : " + hashtag);
}
public static int countTweets(String hashtag, List<Status> statuses){
return (int) statuses.stream()
.filter(x -> x.getText().contains(hashtag))
.count();
}
由於具有與聲明變量的問題林: CURRENT VERSION
ConfigurationBuilder cb = new ConfigurationBuilder();
Twitter twitterInstance;
Query queryForTwitter;
ArrayList<Status> tweets = new ArrayList<Status>();
//ArrayList tweets;
void setup() {
cb.setOAuthConsumerKey("xxx");
cb.setOAuthConsumerSecret("xxx");
cb.setOAuthAccessToken("xxx");
cb.setOAuthAccessTokenSecret("xxx");
cb.setUseSSL(true);
size(640,440);
int countTweets(ArrayList<Status> statuses, String hashtag){
int total = 0;
for(Status tweet : statuses){
if(tweet.getText().contains(hashtag)){
total++;
}
}
return total;
}
int numGood = 50;
int numBad = 50;
for (int i = 0; i < numGood; i++) {
tweets.add("#good");
}
for (int i = 0; i < numBad; i++) {
tweets.add("#bad");
}
} //setup
//create a function that counts the tweets
//that contain a certain hashtag
int countTweets(String hashtag){
int total = 0;
for(String tweet : tweets){
if(tweet.contains(hashtag)){
total++;
}
}
return total;
}
void draw(){
//count the good and bad tweets
int goodTweets = countTweets("#good");
int badTweets = countTweets("#bad");
//calculate color based on tweet counts
float r = badTweets/100.0 * 255;
float g = goodTweets/100.0 * 255;
float b = 0;
background(r, g, b);
}
如果處理可以將外部JAR和編譯爲Java 8,爲什麼不導入包含此代碼的JAR? – Makoto
這就是我爲twitter4j庫做的。我對編程還很陌生。你能指出我的JAR方向嗎? @Makoto –