A:
str.replaceAll("[^0-9]", "")
B:
str.replaceAll("\\D+","")
C:
public static String stripNonDigits(
final CharSequence input /* inspired by seh's comment */){
final StringBuilder sb = new StringBuilder(
input.length() /* also inspired by seh's comment */);
for(int i = 0; i < input.length(); i++){
final char c = input.charAt(i);
if(c > 47 && c < 58){
sb.append(c);
}
}
return sb.toString();}
ftpClient .connect (Constants . FTP_URL) ; ftpClient .login (Constants . FTP_ID, Constants . FTP_PWD) ; ftpClient .enterLocalPassiveMode ();
CredentialsProvider credsProvider = new BasicCredentialsProvider();
credsProvider.setCredentials(
new AuthScope(HOST_NAME, PORT),
new UsernamePasswordCredentials(USER_NAME, TOKEN));
CloseableHttpClient httpclient = HttpClients.custom()
.setDefaultCredentialsProvider(credsProvider)
.build();
try {
HttpPost httpPost = new HttpPost(BASE_URL + EMAIL_API_NAME);
MultipartEntityBuilder builder = MultipartEntityBuilder.create();
builder.addBinaryBody("attachment", new File("D:/opt/test.pdf"), ContentType.APPLICATION_OCTET_STREAM, "file.ext");
builder.addTextBody("from", FROM_ADDRESS, ContentType.APPLICATION_JSON);
builder.addTextBody("to", toEmail, ContentType.APPLICATION_JSON);
builder.addTextBody("bcc", bcc, ContentType.APPLICATION_JSON);
builder.addTextBody("subject", subject, ContentType.APPLICATION_JSON);
builder.addTextBody("html", this.loadTemplate(template, values), ContentType.APPLICATION_JSON);
HttpEntity multipart = builder.build();
httpPost.setEntity(multipart);
CloseableHttpResponse response2 = httpclient.execute(httpPost);
log.info(response2.toString());
try {
System.out.println(response2.getStatusLine());
HttpEntity entity2 = response2.getEntity();
// do something useful with the response body
// and ensure it is fully consumed
EntityUtils.consume(entity2);
} finally {
response2.close();
}
} finally {
httpclient.close();
}
package test;
import java. util. ArrayList;
import java. util. HashMap;
import java .util . List;
public class testMapContainMultiKey {
public static void main( String[] args ) {
// TODO Auto-generated method stub
ArrayList< String> keys = new ArrayList< String> ();
keys .add ("a" );
keys .add ("b" );
HashMap< String, String > map = new HashMap<> ();
map .put ("a" , "a" );
map .put ("c" , "b" );
System. out .println ( isKeysExistInMap (keys ,map ) );
}
public static boolean isKeysExistInMap( ArrayList< String> keys , HashMap map ) {
boolean result = true;
for (String key : keys) {
result = map. containsKey (key );
if (result == false ) {
return result;
}
}
return result;
}
}
