thospfuller
/ arrays-aslist-example.groovy
Created
April 18, 2024 20:14
Example code for the article entitled "Tutorial: Learn how to use the java.util.Arrays asList method in Java now!"
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import static java.util.Arrays.asList | |
| import java.util.List | |
| import java.util.Random | |
| Random random = new Random() | |
| int arrayCapacity = 10000 | |
| def numbers = new java.lang.Integer[arrayCapacity + 1] |
thospfuller
/ how-to-turn-an-array-into-an-arraylist-using-guava-example-three.groovy
Last active
April 15, 2024 08:01
Turn an array into an ArrayList in Java using Guava
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| @Grapes( | |
| @Grab(group='com.google.guava', module='guava', version='32.1.3-jre') | |
| ) | |
| import static com.google.common.collect.Lists.newArrayList | |
| def numbers = [1, 2, 3, 4, 5] as int[] | |
| def result = newArrayList (numbers) | |
| println "numbers.class: ${numbers.class.name}, result.class: ${result.class.name}, result: $result" |
thospfuller
/ how-to-convert-an-array-to-an-arraylist-in-java-using-constructor.groovy
Last active
April 9, 2024 22:28
Example Zero: How to convert an array to an ArrayList in Java using the constructor.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| @Grab(group='com.jamonapi', module='jamon', version='2.82') | |
| import com.jamonapi.Monitor | |
| import com.jamonapi.MonitorFactory | |
| import static java.util.Arrays.asList | |
| import java.util.stream.Collectors; | |
| import java.util.List; | |
| import java.util.Arrays; | |
| import java.util.Random |
thospfuller
/ how-to-convert-an-array-to-an-arraylist-in-java-using-google-guava.groovy
Last active
April 9, 2024 21:47
Example Three: How to turn an array into an ArrayList in Java using Google Guava.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| @Grab(group='com.jamonapi', module='jamon', version='2.82') | |
| import com.jamonapi.Monitor | |
| import com.jamonapi.MonitorFactory | |
| @Grab(group='com.google.guava', module='guava', version='32.1.3-jre') | |
| import static com.google.common.collect.Lists.newArrayList | |
| import java.util.stream.Collectors | |
| import java.util.List | |
| import java.util.Arrays |
thospfuller
/ how-to-convert-an-array-to-an-arraylist-in-java-using-java-util-stream.groovy
Created
November 15, 2023 20:45
Example Two: How to turn an array into an ArrayList in Java using the java.util.stream API.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| @Grab(group='com.jamonapi', module='jamon', version='2.82') | |
| import com.jamonapi.Monitor | |
| import com.jamonapi.MonitorFactory | |
| import static java.util.Arrays.asList | |
| import java.util.stream.Collectors; | |
| import java.util.List; | |
| import java.util.Arrays; | |
| import java.util.Random |
thospfuller
/ how-to-convert-an-arraylist-to-an-int-array-in-java-no-unboxing-required-example.groovy
Created
April 7, 2024 11:39
Java Autoboxing Performance: No Unboxing Required Performance Example
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| @Grab(group='com.jamonapi', module='jamon', version='2.82') | |
| import com.jamonapi.Monitor | |
| import com.jamonapi.MonitorFactory | |
| import static java.util.Arrays.asList | |
| import java.util.stream.Collectors | |
| import java.util.List | |
| import java.util.Arrays | |
| import java.util.Random |
thospfuller
/ how-to-convert-an-arraylist-to-an-int-array-in-java-with-unboxing.groovy
Last active
April 5, 2024 11:17
Java Autoboxing Performance: Unboxing Performance Example
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| @Grab(group='com.jamonapi', module='jamon', version='2.82') | |
| import com.jamonapi.Monitor | |
| import com.jamonapi.MonitorFactory | |
| import static java.util.Arrays.asList | |
| import java.util.stream.Collectors | |
| import java.util.List | |
| import java.util.Arrays | |
| import java.util.Random |
thospfuller
/ how-to-convert-an-array-to-an-arraylist-in-java-using-addall-method.groovy
Last active
March 15, 2024 20:15
Example One: How to turn an array into an ArrayList in Java using the addAll method (without the need to autobox).
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| @Grab(group='com.jamonapi', module='jamon', version='2.82') | |
| import com.jamonapi.Monitor | |
| import com.jamonapi.MonitorFactory | |
| import static java.util.Arrays.asList | |
| import java.util.stream.Collectors; | |
| import java.util.List; | |
| import java.util.Arrays; | |
| import java.util.Random |
thospfuller
/ access-h2-database-browser-tutorial-example.groovy
Last active
February 21, 2024 17:51
Example regarding how to configure the H2 Database web server programmatically.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| package com.thospfuller | |
| /** | |
| * Tutorial regarding how to configure the H2 Database web server programmatically. | |
| * | |
| * Note that if we don't use the systemClassLoader we'll get the following exception: | |
| * | |
| * java.sql.SQLException: No suitable driver found for jdbc:h2:mem:example-db | |
| */ | |
| @GrabConfig(systemClassLoader=true) |
thospfuller
/ use-the-add-and-addall-methods-to-insert-elements-into-a-linkedlist.java
Created
December 5, 2023 20:13
Use the add and addAll methods to insert elements into a Linked List
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import java.util.Arrays; | |
| import java.util.LinkedList; | |
| import java.util.List; | |
| public class Main { | |
| public static void main(String[] args) { | |
| String[] values = { | |
| "Apples", |
NewerOlder