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package com.journaldev.sparkdemo; | |
...imports... | |
public class WordCounter { | |
private static void wordCount(String fileName) { | |
... | |
} |
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package com.knoldus; | |
import java.util.Optional; | |
public class DestroyProcess { | |
public static void main(String[] args) { | |
final Optional<ProcessHandle> processHandle = ProcessHandle.of(9767); | |
if(processHandle.isPresent()) |
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package com.knoldus; | |
import java.util.stream.Stream; | |
public class CurrentAllProcess { | |
public static void main(String[] args) throws Exception { | |
final Stream<ProcessHandle> currentProcesses = ProcessHandle.allProcesses(); | |
currentProcesses.filter(ProcessHandle::isAlive).forEach(processHandle -> |
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import org.apache.commons.collections4.CollectionUtils; | |
import org.apache.commons.lang3.ObjectUtils; | |
import java.util.ArrayList; | |
import java.util.List; | |
import java.util.stream.Collectors; | |
public class ObjectUtilsEx { | |
public static void main(String[] args) { |
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package com.knoldus; | |
import org.apache.commons.collections4.CollectionUtils; | |
import java.util.ArrayList; | |
import java.util.List; | |
import java.util.stream.Collectors; | |
public class LambdaEx { | |
public static void main(String[] args) { |
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package com.knoldus; | |
import org.apache.commons.collections4.CollectionUtils; | |
import java.util.ArrayList; | |
import java.util.List; | |
import java.util.stream.Collectors; | |
public class LambdaEx { |
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package com.knoldus; | |
import java.util.ArrayList; | |
import java.util.stream.Collectors; | |
public class LambdaEx { | |
public static void main(String[] args) { | |
ArrayList<String> list1 = null; | |
list1.stream().map(elem -> elem + "Knoldus").collect(Collectors.toList()); |
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case class UserId(id: Int) extends AnyVal | |
case class Username(name: String) extends AnyVal | |
case class TweetId(id: Int) extends AnyVal | |
case class TweetContent(content: String) extends AnyVal | |
case class User(id: UserId, name: Username) |
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case class UserId(id: Int) | |
case class Username(name: String) | |
case class TweetId(id: Int) | |
case class TweetContent(content: String) | |
case class User(id: UserId, name: Username) |
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case class User(id: Int, name: String) | |
case class Tweet(id: Int, content: String) | |
object Test extends App{ | |
val user = User(1, "Kunal") | |
val tweet = Tweet(11, "Scala Rocks") | |
println(s"User ID :- ${user.id}") |
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