{"id":45011,"date":"2025-05-05T12:57:03","date_gmt":"2025-05-05T10:57:03","guid":{"rendered":"https:\/\/www.happycoders.eu\/growing-object-oriented-software-guided-by-tests\/"},"modified":"2025-05-20T22:07:00","modified_gmt":"2025-05-20T20:07:00","slug":"growing-object-oriented-software-guided-by-tests","status":"publish","type":"post","link":"https:\/\/www.happycoders.eu\/de\/buecher\/growing-object-oriented-software-guided-by-tests\/","title":{"rendered":"Growing Object-Oriented Software, Guided by Tests"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">Growing Object-Oriented Software, Guided by Tests<\/h1>\n\n\n\n<div class=\"wp-block-columns hc-books-v2 is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n    <div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:730px\">\n        <p class=\"hc-book-author\">von Steve Freeman und Nat Pryce<\/p>\n        \n        <p>Dieses Buch gibt eine praktische Einf\u00fchrung in Test-Driven Development (TDD) \u2013 insbesondere in objektorientierter Programmierung.<\/p>\n        <p>Die Autoren (von denen einer der Entwickler von jMock ist) erkl\u00e4ren, wie Unit Tests und Mock-Objekte zu einem sauberen, objektorientierten Design mit zuverl\u00e4ssigem und wartbaren Code f\u00fchren.<\/p>\n        <p>In einer Fallstudie entwerfen und implementieren sie dazu testgetrieben ein Auktionssystem in Java.<\/p>\n        <p>Ich empfehle dieses Buch insbesondere jedem Java-Programmierer. Wenn Du einmal erlebt hast, wie Tests zu eleganterem Design und Code f\u00fchren, wirst Du nie wieder ohne entwickeln wollen.<\/p>\n        <p>\ud83c\udfa7 <em>Geeignet als H\u00f6rbuch? Nein, aufgrund zahlreicher Codebeispiele.<\/em><\/p>\n    <\/div>\n    \n\n    \n    <div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:400px\">\n        <figure class=\"wp-block-image size-half_400\"><a href=\"https:\/\/www.amazon.de\/gp\/product\/0321503627\/ref=as_li_qf_asin_il_tl?ie=UTF8&amp;tag=happycoders07-21&amp;creative=6742&amp;linkCode=as2&amp;creativeASIN=0321503627&amp;linkId=0b91bba9b300305fc485f3ca9ddc099b\" target=\"_blank\" rel=\" noopener\"><img decoding=\"async\" src=\"https:\/\/www.happycoders.eu\/wp-content\/uploads\/2019\/06\/Growing_Object-Oriented_Software_Guided_by_Tests-800x1047.jpg\" alt=\"Growing Object-Oriented Software, Guided by Tests - Steve Freeman und Nat Pryce\" style=\"width:400px;height:524px\"\/><\/a><\/figure>\n        \n\n        \n        <p class=\"hc-book-button\"><a href=\"https:\/\/www.amazon.de\/gp\/product\/0321503627\/ref=as_li_qf_asin_il_tl?ie=UTF8&amp;tag=happycoders07-21&amp;creative=6742&amp;linkCode=as2&amp;creativeASIN=0321503627&amp;linkId=0b91bba9b300305fc485f3ca9ddc099b\" target=\"_blank\" rel=\"noopener\">Buch bei Amazon kaufen *<\/a><\/p>\n        \n\n\n        \n        <h4 class=\"wp-block-heading hc-genres-heading\">Genres<\/h4>\n        \n\n        \n        <p class=\"hc-genres-links\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/genres\/softwareentwicklung\/\">Softwareentwicklung<\/a> <a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/genres\/agile-entwicklung-agiles-projektmanagement\/\">Agile Entwicklung &amp; Agiles Projektmanagement<\/a> <a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/genres\/softwaretests\/\">Softwaretests<\/a> <a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/genres\/programmierung\/\">Programmierung<\/a> <a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/genres\/softwarearchitektur\/\">Softwarearchitektur<\/a> <a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/genres\/informatik\/\">Informatik<\/a> <\/p>\n        <\/div>\n    <\/div>\n\n\n\n<h2 class=\"wp-block-heading hc-book-other-books-heading\">Andere Empfehlungen aus den Genres dieses Buches<\/h2>\n\n\n\n<div class=\"wp-block-group hc-book-other-books has-global-padding\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n    \n    <div class=\"wp-block-group hc-book-other-book has-global-padding\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n        <figure class=\"wp-block-image size-feature_thumb_224\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/clean-code-refactoring-patterns-testen-und-techniken-fuer-sauberen-code\/\"><img decoding=\"async\" src=\"https:\/\/www.happycoders.eu\/wp-content\/uploads\/2022\/03\/clean-code-buch-336x473.jpg\" alt=\"Clean Code \u2013 Refactoring, Patterns, Testen und Techniken f\u00fcr sauberen Code - Robert C. Martin\" style=\"width:192px;height:270px\"\/><\/a><\/figure>\n        \n\n        \n        <p class=\"hc-book-title\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/clean-code-refactoring-patterns-testen-und-techniken-fuer-sauberen-code\/\">Clean Code \u2013 Refactoring, Patterns, Testen und Techniken f\u00fcr sauberen Code<\/a><\/p>\n        \n\n        \n        <p class=\"hc-book-author\">Robert C. Martin<\/p>\n        <\/div><\/div>\n    \n    \n    <div class=\"wp-block-group hc-book-other-book has-global-padding\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n        <figure class=\"wp-block-image size-feature_thumb_224\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/design-patterns\/\"><img decoding=\"async\" src=\"https:\/\/www.happycoders.eu\/wp-content\/uploads\/2022\/02\/design-patterns-entwurfsmuster-erich-gamma-336x475.jpg\" alt=\"Design Patterns: Entwurfsmuster als Elemente wiederverwendbarer objektorientierter Software - Erich Gamma, Richard Helm, Ralph E. Johnson, John Vlissides\" style=\"width:192px;height:271px\"\/><\/a><\/figure>\n        \n\n        \n        <p class=\"hc-book-title\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/design-patterns\/\">Design Patterns: Entwurfsmuster als Elemente wiederverwendbarer objektorientierter Software<\/a><\/p>\n        \n\n        \n        <p class=\"hc-book-author\">Erich Gamma, Richard Helm, Ralph E. Johnson, John Vlissides<\/p>\n        <\/div><\/div>\n    \n    \n    <div class=\"wp-block-group hc-book-other-book has-global-padding\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n        <figure class=\"wp-block-image size-feature_thumb_224\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/refactoring\/\"><img decoding=\"async\" src=\"https:\/\/www.happycoders.eu\/wp-content\/uploads\/2022\/06\/Refactoring-Buch-Martin-Fowler-336x475.jpg\" alt=\"Refactoring: Wie Sie das Design bestehender Software verbessern - Martin Fowler\" style=\"width:192px;height:271px\"\/><\/a><\/figure>\n        \n\n        \n        <p class=\"hc-book-title\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/refactoring\/\">Refactoring: Wie Sie das Design bestehender Software verbessern<\/a><\/p>\n        \n\n        \n        <p class=\"hc-book-author\">Martin Fowler<\/p>\n        <\/div><\/div>\n    \n    \n    <div class=\"wp-block-group hc-book-other-book has-global-padding\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n        <figure class=\"wp-block-image size-feature_thumb_224\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/clean-craftsmanship\/\"><img decoding=\"async\" src=\"https:\/\/www.happycoders.eu\/wp-content\/uploads\/2022\/05\/Clean-Craftsmanship-deutsch-Robert-Martin-Uncle-Bob-336x475.jpg\" alt=\"Clean Craftsmanship: Best Practices, Standards und Ethik f\u00fcr die Softwareentwicklung - Robert C. Martin\" style=\"width:192px;height:271px\"\/><\/a><\/figure>\n        \n\n        \n        <p class=\"hc-book-title\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/clean-craftsmanship\/\">Clean Craftsmanship: Best Practices, Standards und Ethik f\u00fcr die Softwareentwicklung<\/a><\/p>\n        \n\n        \n        <p class=\"hc-book-author\">Robert C. Martin<\/p>\n        <\/div><\/div>\n    \n    \n    <div class=\"wp-block-group hc-book-other-book has-global-padding\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n        <figure class=\"wp-block-image size-feature_thumb_224\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/effektives-arbeiten-mit-legacy-code-refactoring-und-testen-bestehender-software\/\"><img decoding=\"async\" src=\"https:\/\/www.happycoders.eu\/wp-content\/uploads\/2022\/02\/effektives-arbeiten-mit-legacy-code-michael-feathers-336x475.jpg\" alt=\"Effektives Arbeiten mit Legacy Code. Refactoring und Testen bestehender Software - Michael C. Feathers\" style=\"width:192px;height:271px\"\/><\/a><\/figure>\n        \n\n        \n        <p class=\"hc-book-title\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/effektives-arbeiten-mit-legacy-code-refactoring-und-testen-bestehender-software\/\">Effektives Arbeiten mit Legacy Code. Refactoring und Testen bestehender Software<\/a><\/p>\n        \n\n        \n        <p class=\"hc-book-author\">Michael C. Feathers<\/p>\n        <\/div><\/div>\n    \n    \n    <div class=\"wp-block-group hc-book-other-book has-global-padding\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n        <figure class=\"wp-block-image size-feature_thumb_224\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/der-pragmatische-programmierer\/\"><img decoding=\"async\" src=\"https:\/\/www.happycoders.eu\/wp-content\/uploads\/2022\/02\/der-pragmatische-programmierer-david-thomas-andrew-hunt-336x470.jpg\" alt=\"Der pragmatische Programmierer: Ihr Weg zur Meisterschaft - Andrew Hunt und David Thomas\" style=\"width:192px;height:268px\"\/><\/a><\/figure>\n        \n\n        \n        <p class=\"hc-book-title\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/der-pragmatische-programmierer\/\">Der pragmatische Programmierer: Ihr Weg zur Meisterschaft<\/a><\/p>\n        \n\n        \n        <p class=\"hc-book-author\">Andrew Hunt und David Thomas<\/p>\n        <\/div><\/div>\n    \n    \n    <div class=\"wp-block-group hc-book-other-book has-global-padding\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n        <figure class=\"wp-block-image size-feature_thumb_224\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/pattern-hatching\/\"><img decoding=\"async\" src=\"https:\/\/www.happycoders.eu\/wp-content\/uploads\/2019\/06\/Pattern_Hatching_Design_Patterns_Applied-336x421.jpg\" alt=\"Pattern Hatching: Design Patterns Applied - John Vlissides\" style=\"width:192px;height:240px\"\/><\/a><\/figure>\n        \n\n        \n        <p class=\"hc-book-title\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/pattern-hatching\/\">Pattern Hatching: Design Patterns Applied<\/a><\/p>\n        \n\n        \n        <p class=\"hc-book-author\">John Vlissides<\/p>\n        <\/div><\/div>\n    \n    \n    <div class=\"wp-block-group hc-book-other-book has-global-padding\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n        <figure class=\"wp-block-image size-feature_thumb_224\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/clean-coder\/\"><img decoding=\"async\" src=\"https:\/\/www.happycoders.eu\/wp-content\/uploads\/2022\/04\/clean-coder-verhaltensregeln-robert-martin-336x472.jpg\" alt=\"Clean Coder: Verhaltensregeln f\u00fcr professionelle Programmierer - Robert C. Martin\" style=\"width:192px;height:269px\"\/><\/a><\/figure>\n        \n\n        \n        <p class=\"hc-book-title\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/clean-coder\/\">Clean Coder: Verhaltensregeln f\u00fcr professionelle Programmierer<\/a><\/p>\n        \n\n        \n        <p class=\"hc-book-author\">Robert C. Martin<\/p>\n        <\/div><\/div>\n    \n    \n    <div class=\"wp-block-group hc-book-other-book has-global-padding\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n        <figure class=\"wp-block-image size-feature_thumb_224\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/agile-software-development\/\"><img decoding=\"async\" src=\"https:\/\/www.happycoders.eu\/wp-content\/uploads\/2019\/06\/Agile_Software_Development_Principles_Patterns_and_Practices-336x425.jpg\" alt=\"Agile Software Development: Principles, Patterns, and Practices - Robert C. Martin\" style=\"width:192px;height:242px\"\/><\/a><\/figure>\n        \n\n        \n        <p class=\"hc-book-title\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/agile-software-development\/\">Agile Software Development: Principles, Patterns, and Practices<\/a><\/p>\n        \n\n        \n        <p class=\"hc-book-author\">Robert C. Martin<\/p>\n        <\/div><\/div>\n    \n    \n    <div class=\"wp-block-group hc-book-other-book has-global-padding\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n        <figure class=\"wp-block-image size-feature_thumb_224\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/clean-architecture-gute-softwarearchitekturen\/\"><img decoding=\"async\" src=\"https:\/\/www.happycoders.eu\/wp-content\/uploads\/2022\/08\/clean-architecture-deutsch-robert-c-martin-336x475.jpg\" alt=\"Clean Architecture \u2013 Gute Softwarearchitekturen: Das Praxis-Handbuch f\u00fcr professionelles Softwaredesign. Regeln und Paradigmen f\u00fcr effiziente Softwarestrukturierung. - Robert C. Martin\" style=\"width:192px;height:271px\"\/><\/a><\/figure>\n        \n\n        \n        <p class=\"hc-book-title\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/clean-architecture-gute-softwarearchitekturen\/\">Clean Architecture \u2013 Gute Softwarearchitekturen: Das Praxis-Handbuch f\u00fcr professionelles Softwaredesign. Regeln und Paradigmen f\u00fcr effiziente Softwarestrukturierung.<\/a><\/p>\n        \n\n        \n        <p class=\"hc-book-author\">Robert C. Martin<\/p>\n        <\/div><\/div>\n    \n    \n    <div class=\"wp-block-group hc-book-other-book has-global-padding\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n        <figure class=\"wp-block-image size-feature_thumb_224\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/domain-driven-design\/\"><img decoding=\"async\" src=\"https:\/\/www.happycoders.eu\/wp-content\/uploads\/2022\/10\/domain-driven-design-eric-evans-336x456.jpg\" alt=\"Domain-Driven Design: Tackling Complexity in the Heart of Software - Eric Evans\" style=\"width:192px;height:260px\"\/><\/a><\/figure>\n        \n\n        \n        <p class=\"hc-book-title\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/domain-driven-design\/\">Domain-Driven Design: Tackling Complexity in the Heart of Software<\/a><\/p>\n        \n\n        \n        <p class=\"hc-book-author\">Eric Evans<\/p>\n        <\/div><\/div>\n    \n    \n    <div class=\"wp-block-group hc-book-other-book has-global-padding\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n        <figure class=\"wp-block-image size-feature_thumb_224\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/implementing-domain-driven-design\/\"><img decoding=\"async\" src=\"https:\/\/www.happycoders.eu\/wp-content\/uploads\/2023\/05\/implementing-domain-driven-design-vaughn-vernon-336x450.jpg\" alt=\"Implementing Domain-Driven Design - Vaughn Vernon\" style=\"width:192px;height:257px\"\/><\/a><\/figure>\n        \n\n        \n        <p class=\"hc-book-title\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/implementing-domain-driven-design\/\">Implementing Domain-Driven Design<\/a><\/p>\n        \n\n        \n        <p class=\"hc-book-author\">Vaughn Vernon<\/p>\n        <\/div><\/div>\n    \n    \n    <div class=\"wp-block-group hc-book-other-book has-global-padding\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n        <figure class=\"wp-block-image size-feature_thumb_224\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/extreme-programming\/\"><img decoding=\"async\" src=\"https:\/\/www.happycoders.eu\/wp-content\/uploads\/2022\/02\/extreme-programming-manifest-kent-beck-336x480.jpg\" alt=\"Extreme Programming: Das Manifest - Kent Beck und Cynthia Andres\" style=\"width:192px;height:274px\"\/><\/a><\/figure>\n        \n\n        \n        <p class=\"hc-book-title\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/extreme-programming\/\">Extreme Programming: Das Manifest<\/a><\/p>\n        \n\n        \n        <p class=\"hc-book-author\">Kent Beck und Cynthia Andres<\/p>\n        <\/div><\/div>\n    \n    \n    <div class=\"wp-block-group hc-book-other-book has-global-padding\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n        <figure class=\"wp-block-image size-feature_thumb_224\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/projekt-unicorn\/\"><img decoding=\"async\" src=\"https:\/\/www.happycoders.eu\/wp-content\/uploads\/2022\/03\/projekt-unicorn-gene-kim-336x504.jpg\" alt=\"Projekt Unicorn: Der Roman \u00fcber Entwickler, Digital Disruption und das \u00dcberleben im Datenzeitalter - Gene Kim\" style=\"width:192px;height:288px\"\/><\/a><\/figure>\n        \n\n        \n        <p class=\"hc-book-title\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/projekt-unicorn\/\">Projekt Unicorn: Der Roman \u00fcber Entwickler, Digital Disruption und das \u00dcberleben im Datenzeitalter<\/a><\/p>\n        \n\n        \n        <p class=\"hc-book-author\">Gene Kim<\/p>\n        <\/div><\/div>\n    \n    \n    <div class=\"wp-block-group hc-book-other-book has-global-padding\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n        <figure class=\"wp-block-image size-feature_thumb_224\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/das-mindset-von-devops-accelerate\/\"><img decoding=\"async\" src=\"https:\/\/www.happycoders.eu\/wp-content\/uploads\/2022\/03\/accelerate-das-mindset-von-devops-336x496.jpg\" alt=\"Das Mindset von DevOps. Accelerate: 24 Schl\u00fcsselkompetenzen, um leistungsstarke Technologieunternehmen zu entwickeln und zu skalieren - Dr. Nicole Forsgren, Jez Humble und Gene Kim\" style=\"width:192px;height:283px\"\/><\/a><\/figure>\n        \n\n        \n        <p class=\"hc-book-title\"><a href=\"https:\/\/www.happycoders.eu\/de\/buecher\/das-mindset-von-devops-accelerate\/\">Das Mindset von DevOps. Accelerate: 24 Schl\u00fcsselkompetenzen, um leistungsstarke Technologieunternehmen zu entwickeln und zu skalieren<\/a><\/p>\n        \n\n        \n        <p class=\"hc-book-author\">Dr. Nicole Forsgren, Jez Humble und Gene Kim<\/p>\n        <\/div><\/div>\n    \n<\/div><\/div>\n\n\n\n<p class=\"hc-book-disclosure\"><em>* Hinweis: Wir teilen gerne unsere Lieblingsb\u00fccher mit dir! Als Amazon-Partner verdienen wir eine kleine Provision bei Eink\u00e4ufen, die du \u00fcber unsere Links t\u00e4tigst. Dies hilft uns, weiterhin Inhalte zu erstellen, die dir gefallen.<\/em><\/p>\n<aside><h4 style=\"margin-top:60px\">Verpasse keine Buchempfehlungen und Profi-Tipps zu Java!<\/h4>\r\n                       <p>M\u00f6chtest du benachrichtigt werden, wenn ich neue Buchempfehlungen ver\u00f6ffentliche? Dann <a href=\"#\" data-formkit-toggle=\"d8ee997126\">klicke hier<\/a>, um dich f\u00fcr den HappyCoders-Newsletter anzumelden und erhalte meine Buchempfehlungen neben regelm\u00e4\u00dfigen Tipps zu Java-Programmierung, Algorithmen und Datenstrukturen.<\/p>\r\n                       <p>\ud83d\udc49 <a href=\"#\" data-formkit-toggle=\"d8ee997126\">Newsletter-Anmeldung<\/a><\/p><\/aside>","protected":false},"excerpt":{"rendered":"<p>Entdecke, wie Test-Driven Development zu eleganterem Java-Code f\u00fchrt. Eine praktische Einf\u00fchrung mit Fallstudie \u2013 revolutioniere Deine Entwicklungsarbeit!<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"_uag_custom_page_level_css":"","_wp_convertkit_post_meta":{"form":"-1","landing_page":"0","tag":"0","restrict_content":"0"},"_metis_text_type":"standard","_metis_text_length":2682,"_post_count":0,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45011","post","type-post","status-publish","format-standard","hentry","category-buecher"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"feature_thumb_224":false,"feature_thumb_336":false,"feature_thumb_504":false,"feature_thumb_672":false,"half_400":false,"half_600":false,"full_800":false,"full_944":false,"full_1200":false,"wide_1180":false,"wide_1770":false,"1536x1536":false,"2048x2048":false},"uagb_author_info":{"display_name":"Sven Woltmann","author_link":"https:\/\/www.happycoders.eu\/de\/author\/sven\/"},"uagb_comment_info":0,"uagb_excerpt":"Entdecke, wie Test-Driven Development zu eleganterem Java-Code f\u00fchrt. 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