When GitHub Copilot analyzes or generates Java code, the approach used for code intelligence directly impacts performance (speed of interaction), output quality (correctness and idiomatic usage of Java, Spring, and related frameworks), resource consumption (tokens and premium requests), and cost.
This document compares six approaches across these dimensions.
| package com.javaetmoi.logback; | |
| import ch.qos.logback.classic.Level; | |
| import ch.qos.logback.classic.Logger; | |
| import ch.qos.logback.classic.LoggerContext; | |
| import ch.qos.logback.classic.encoder.PatternLayoutEncoder; | |
| import ch.qos.logback.classic.joran.action.JMXConfiguratorAction; | |
| import ch.qos.logback.classic.jul.LevelChangePropagator; | |
| import ch.qos.logback.classic.spi.ILoggingEvent; | |
| import ch.qos.logback.core.Appender; |
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>AngularJS from scratch</title> | |
| </head> | |
| <body class="container text-center"> | |
| <h1 class="page-header" ng-bind="labs.titre">AngularJS from scratch</h1> | |
| <input type="text" ng-model="labs.titre"/> |
| package com.javaetmoi.core.persistence.hibernate; | |
| import java.util.Collections; | |
| import java.util.Set; | |
| import org.hibernate.jpa.boot.archive.internal.StandardArchiveDescriptorFactory; | |
| import org.hibernate.jpa.boot.scan.spi.AbstractScannerImpl; | |
| import org.hibernate.jpa.boot.scan.spi.ScanOptions; | |
| import org.hibernate.jpa.boot.scan.spi.ScanResult; | |
| import org.hibernate.jpa.boot.spi.ClassDescriptor; |
| <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" | |
| xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> | |
| <modelVersion>4.0.0</modelVersion> | |
| <groupId>com.javaetmoi.samples</groupId> | |
| <version>1.0-SNAPSHOT</version> | |
| <artifactId>jasmine-test-webapp</artifactId> | |
| <name>JavaEtMoi Samples :: ${project.artifactId} - ${project.packaging}</name> | |
| <packaging>war</packaging> | |
| <description>Maven configuration to test JavaScript code of a Java web app with Jasmine et PhantomJS</description> | |
| <inceptionYear>2014</inceptionYear> |
| import org.apache.cxf.binding.soap.SoapMessage; | |
| import org.apache.cxf.binding.soap.interceptor.AbstractSoapInterceptor; | |
| import org.apache.cxf.endpoint.ClientImpl; | |
| import org.apache.cxf.interceptor.Fault; | |
| import org.apache.cxf.phase.Phase; | |
| /** | |
| * Fix CXF memory leak by removing attachments once the SOAP message was sent. | |
| */ | |
| public class ClearAttachmentsOutInterceptor extends AbstractSoapInterceptor { |
| package com.googlecode.flyway.core.util.scanner.classpath; | |
| import java.io.IOException; | |
| import java.io.InputStream; | |
| import java.net.JarURLConnection; | |
| import java.net.URISyntaxException; | |
| import java.net.URL; | |
| import java.net.URLConnection; | |
| import java.util.Enumeration; | |
| import java.util.Set; |
| curl -XPOST 'http://es.javaetmoi.com/musicalbum/album/_search?pretty' -d ' | |
| { | |
| "from": 0, | |
| "size": 10, | |
| "query": { | |
| "bool": { | |
| "must": [ | |
| { | |
| "fuzzy_like_this": { | |
| "fields": [ |
| curl -XPOST 'http://es.javaetmoi.com/musicalbum/album/_search?pretty' -d ' | |
| { | |
| "fields": [ | |
| "artist.name", | |
| "id", | |
| "name", | |
| "year.string" | |
| ], | |
| "query": { | |
| "query_string": { |
| { | |
| "id": "744c7a1b-ac79-35c4-bd92-7e2c6a24c8d8", | |
| "name": "Achtung Baby", | |
| "year": 1991, | |
| "tags": [ | |
| "rock", | |
| "pop rock", | |
| "pop", | |
| "album rock", | |
| "90s" |