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New code examples in category Java
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Lionel Aguero
2022-05-13 19:11:05
abstract vs final
1-Abstract method should be overriden -Final method can't be overriden 2-Abstract method can be inherited -Final can't be inherited 3-Abstract can be w/o implementation -Final must have implemetation 4-Abstract we can't create objects -Final we can cr... Add solution -
Krish
2022-05-13 18:55:29
get device id programmatically android
//first add this to mainfirst <uses-permission android:name="android.permission.READ_PHONE_STATE"/> //and this in java TelephonyManager telephonyManager = (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE); telephonyManager.get... Add solution -
Awgiedawgie
2022-05-13 18:46:35
Write a Program to implement the Connection oriented echo client server application.
//Client import java.io.*; import java.net.*; public class Client { public static void main(String[] args) { try { Socket s = new Socket("localhost", 1234); DataOutputStream dout = new DataOutputStream(s.getO... Add solution -
Awgiedawgie
2022-05-13 18:35:02
wait random time java
Thread.sleep((long)(Math.random() * 1000)); Add solution -
Phoenix Logan
2022-05-13 18:31:33
how to remove null values in java
2. HOW TO REMOVE NULL VALUES List<String> list = new ArrayList (Arrays.asList("Java",null,"Python",null, "Ruby")); CollectionUtils.filter(list, PredicateUtils.notNullPredicate()); ... Add solution -
Awgiedawgie
2022-05-13 17:55:32
javafx filechooser specific file
FileChooser fc = new FileChooser(); FileChooser.ExtensionFilter fileExtensions = new FileChooser.ExtensionFilter( "Web pages", "*.tpl", "*.html", "*.htm"); fc.getExtensionFilters().add(fileExtensions); Add solution
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