suite of automated tests, which are run and rerun after every change (many times a day) to ensure a quality baseline. 91 で ɺแׅతͳࣗಈςετεΠʔτΛ࡞อक͢Δɻมߋ が ʹԿ ൃ ੜ͢Δͨ び ʹࣗಈςετ が ࣮ߦ࠶࣮ߦ͞Εɺ ベ ʔεϥΠϯͱͳΔ࣭ が ֬อ͞Ε Δɻ ষ □Automatically build the whole system and run all of the tests in ten minutes. ࣗಈతʹγεςϜશମΛ ビ ϧ ド ͯ͠ɺ͢ べ ͯͷςετΛҎʹ࣮ߦͤ͞Δ͜ ͱɻ ষ □Writing and running the tests gives the team a chance to do work it can be proud of. ςετΛهड़࣮ͯ͠ߦ͢Ε ば ɺνʔϜࣗͨͪͷࣄʹތΓΛ࣋ͭػձ が ಘΒ ΕΔɻ ষ Ґ
change. ΤΫετϦʔϜ プ ϩ グ ϥϛϯ グ 91 ιʔγϟϧνΣϯ ジで ͋Δɻ ষ □Learn to see problems as opportunities for change. ΛมԽͷػձͱߟ͑Α͏ɻ ষ Ґ ಈ มԽ͢Δ □Tools and techniques change often, but they don't change a lot. People, however, change slowly but deeply. πʔϧٕ๏ԿมԽ͢Δ が ɺେ͖͘มԽ͢ΔΘ͚ で ͳ͍ɻҰํɺਓΏ ͬ͘Γͱ だが ɺਂ͘มԽ͢Δɻ ষ
verb, not an adjective. There is no perfect process. There is no perfect design. There are no perfect stories. You can, however, perfect your process, your design, and your stories. ιϑτΣΞ։ൃʹ͓͍ͯɺʮᘳ QFSGFDU ʯಈࢺ で ͋Γɺܗ༰ࢺ で ͳ ͍ɻᘳͳ プ ϩηεଘࡏ͠ͳ͍ɻᘳͳઃܭଘࡏ͠ͳ͍ɻᘳͳετʔϦʔ ଘࡏ͠ͳ͍ɻ だが ɺ プ ϩηεΛʮᘳʹΔʯ͜ͱ で ͖ΔɻઃܭΛʮᘳʹ Δʯ͜ͱ で ͖ΔɻετʔϦʔΛʮᘳʹΔʯ͜ͱ で ͖Δɻ ষ □Incremental design puts improvement to work by re fi ning the design of the system. ΠϯΫϦϝϯλϧͳઃܭʹΑͬͯγεςϜͷઃܭΛચ࿅͍͚ͯ͠ ば ɺվળΛ͏·͘ ػೳͤ͞Δ͜ͱ が で ͖Δɻ ষ Ґ ಈ ઃܭ͢Δ □The question is not whether to design, but when to design. ͱͳΔͷɺઃܭΛ͢Δ͔ ど ͏͔ で ͳ͘ɺઃܭΛ͍ͭ͢Δ͔ で ͋Δɻ ষ
an extreme programmer. ຊॻΛಡΜ で ɺΤΫετϦʔϜ プ ϩ グ ϥϚʔʹͳΕͳ͍ɻ ষ □Make your workspace about your work. ࣄͷ༰ が Θ͔ΔΑ͏ͳϫʔΫε ペ ʔεΛ࡞Δ͜ͱɻ ষ □I codi fi ed XP to make life better for programmers. ࢲ プ ϩ グ ϥϚʔͷੜ׆ΛΑ͘͢ΔͨΊʹ91ΛମܥԽͨ͠ɻ ষ Ґ
without values, practices quickly become rote, activities performed for their own sake but lacking any purpose or direction. ՁΛ໌֬ʹ͢Δ͜ͱ が ॏཁ だ ɻՁ が ͳ͚Ε ば ɺ プ ϥΫςΟε͢ ぐ ʹػց తͳ࡞ۀʹͳͬͯ͠·͏ɻ׆ಈͦͷͷ が తͱͳΓɺຊདྷͷతํੑ が ࣦΘΕͯ͠·͏ɻ ষ □Bridging the gap between values and practices are principles. Ձͱ プ ϥΫςΟεͷ ギ ϟο プ ΛຒΊΔͷ が ݪଇ だ ɻ ষ □Holding these values as a team would shape your practices in different ways than the XP values do. νʔϜ が ͜ΕΒͷՁΛڞ༗͢Ε ば ɺ91ͷՁ がプ ϥΫςΟεΛ࡞Γग़͢ͷͱ ҧͬͨΓํ で ɺࣗͨͪͷ プ ϥΫςΟεΛ࡞Γग़͢͜ͱ がで ͖Δ だ Ζ͏ɻ ষ Ґ
estimates and low defect rates, including customers in the development process fosters trust and encourages continued improvement. ݟੵΓ が ਖ਼֬ で ͋Γɺܽؕ が Լ͍ͯ͠Δͷ で ͋Ε ば ɺސ٬ʹ։ൃ プ ϩηεʹࢀՃͯ͠Β͏͜ͱ で ɺ͞Βʹ৴པؔ が ߴ·Γɺܧଓత վળ が ଅਐ͞ΕΔͷ で ͋Δɻ ষ □Strive to improve development until some of the team members are idle; then you're ready to shrink the team and continue. νʔϜϝϯ バ ʔͷ୭͔ͷख が ۭ͘· で ɺ։ൃΛվળ͍ͯ͘͜͠ͱɻͦ ͏͢Ε ば ɺنΛॖখ͠ͳ が ΒνʔϜΛܧଓ で ͖Δ ずだ ɻ ষ □Over time, by improving the design and customizing the development tools, the team reduces the cost of automating tests to the point that all testing is automated. νʔϜઃܭΛվળͨ͠Γɺ։ൃπʔϧΛΧελϚΠ ズ ͨ͠Γ͢Δ͜ ͱ で ɺ࣌ؒΛ͔͚ͯςετΛࣗಈԽ͢ΔίετΛԼ げ ͍ͯ͘ɻ ষ Ґ
adult place in the larger world, fi nding our place in the community including the realm of business/work. ʢ91ͱɺʣ ビジ ωεࣄؚΊͨίϛϡχςΟʔͷͳ͔ で ɺࣗͷډॴΛ ݟ͚ͭΔ͜ͱ だ ɻ ষ Ґ ಈ ࣄΛ͢Δ □Ideally, my values as I work are exactly the same as my values in the rest of my life. ࣄ で େʹ͍ͯ͠ΔՁɺීஈͷੜ׆ で େʹ͍ͯ͠ΔՁͱಉ じで ͋Δ͜ ͱ が ཧత だ ɻ ষ □Good teams don't just do their work, they think about how they are working and why they are working. ༏ΕͨνʔϜ୯ʹࣄΛ͍ͯ͠Δ だ ͚ で ͳ͍ɻ ど ͏ͬͯࣄΛ͍ͯ͠Δͷ ͔ɺͳ ぜ ࣄΛ͍ͯ͠Δͷ͔Λߟ͍͑ͯΔɻ ষ
is a discipline of the business of software development that focuses the whole team on common, reachable goals. ΤΫετϦʔϜ プ ϩ グ ϥϛϯ グ 91 ɺιϑτΣΞ։ൃ ビジ ωεͷن で ͋ ΓɺνʔϜશମ が ڞ௨ͷୡՄೳͳ ゴ ʔϧʹूத͢ΔͨΊͷͷ で ͋Δɻ 91 γϦʔζͷհ □XP is a path of improvement to excellence for people coming together to develop software. 91ͱɺιϑτΣΞΛҰॹʹ։ൃ͢Δਓͨͪ が ߴΈʹࢸΔ· で ͷվળͷಓ で ͋Δɻ ষ □XP is my attempt to reconcile humanity and productivity in my own practice of software development and to share that reconciliation. 91ɺࢲࣗͷιϑτΣΞ։ൃͷ࣮ફͷͳ͔ で ਓؒੑͱੜ࢈ੑΛௐ͞ ͤɺͦͷௐΛڞ༗͠Α͏ͱ͢ΔࢼΈ で ͋Δɻ ষ Ґ
certainly encounter problems. Part of being extreme is consciously choosing to transform each problem into an opportunity: an opportunity for personal growth, deepening relationships, and improved software. 91ͷ࣮ફΛ࢝ΊΔͱɺඞ ず ʹ໘͢ΔɻΤΫετϦʔϜʹͳΔͱ͍͏ͷ ɺͦΕ ぞ ΕͷΛݸਓͷɺਓؒؔͷਂԽɺιϑτΣΞͷվળͳ ど ͷ ػձʹҙࣝతʹม͢Δ͜ͱ で ͋Δɻ ষ □In the end, you're an XPer when you hold XP's values and incorporate XP principles in your daily practice. ݁ہɺ91ͷՁΛେʹͯ͠ɺ91ͷݪଇΛʑͷ プ ϥΫςΟεʹऔΓೖΕ͍ͯ Ε ば ɺ͋ͳͨ91FS だ ɻ ষ □The key to XP is integrity, acting in harmony with my true values. 91ͷ伴࣮ੑ JOUFHSJUZ だ ɻຊͷՁͱௐͷͱΕͨߦಈΛ͢Δ͜ͱ だ ɻ ষ Ґ
varying degrees of success. ਓؒίϯ ピ ϡʔλʔ で ͳ͍ɻνʔϜʹΑͬͯɺ91ͷΓํޭͷ߹͍ ҧͬͯ͘Δɻ ষ □If members of a team don't care about each other and what they are doing, XP won't work. νʔϜϝϯ バ ʔ が ͓ޓ͍ʹؔ৺ が ͳ͘ɺԿΛ͍ͯ͠Δ͔ΛؾʹͱΊͳ͍Α͏ で ͋Ε ば ɺ91͏·͍͔͘ͳ͍ɻ ষ □Deadlines and scope set only for business reasons do not maintain the integrity of the team. ビジ ωε্ͷཧ༝ だ ͚ で ظείʔ プ Λઃఆ͢ΔͱɺνʔϜͷ࣮ੑΛҡ࣋ で ͖ͳ͍ɻ ষ Ґ ໊ νʔϜ
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