Interviewer's Favorite Pitfall: Why must I rewrite hashCode when rewriting equals?
#Autumn Life Clock In Season#Hello, I'm Xiaomi. Welcome to my WeChat official account! Today, we will discuss a frequently asked question in Java development: "Why is rewritingEqualsMethod also needs to be rewrittenHashCodeMethod This question may appear frequently in your interviews, but it is not just an interview question, it also involves very important concepts in Java, Namely object equality and hash codes...
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I have been using the iPhone 15 Pro as the main player for half a month, so I would like to briefly share some of my experience with the device
The iPhone 15 Pro, which was launched for the first time, has been in use for half a month now. Here are a few simple user experiences to share:1...
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Zhuo Aoyoufeng obtained a batch of precious samples and data for comprehensive scientific research, which will be further analyzed and studied
Source: Xinhua NetworkOn October 1st, 18 members of the 2023 Zhuo Ao You Feng scientific examination successfully reached the world's sixth highest peak, Zhuo Ao You Feng. According to Yao Tandong, the leader of the second Qinghai Tibet scientific expedition and an academician of the CAS Member, at present, Zhuo Aoyou Feng has obtained a batch of precious samples and data in his comprehensive scientific expedition...
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The International Lunar Research Station showcases China's aspirations
At the recently held 74th International Astronautical Congress (IAC), China's National Space Administration released an announcement on international cooperation opportunities for the Chang'e-8 mission. Chang'e-8 is planned to be launched around 2028, and will form the basic model of a lunar research station together with Chang'e-7 and others...
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Ma Yun invested heavily in planting trees in the desert, promising to plant 100 million trees every year. Seven years have passed, what has become of the trees
Text | Editor: ChestnutPreface:Recently, I have noticed an interesting trend.The applications originally designed for social and payment purposes have now been given more new features by users, becoming fascinating tools...
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Huawei declined Foxconn's OEM request! And decided to hand over the mobile phone OEM order to BYD
Recently, Huawei announced a heavyweight news that has attracted widespread attention from the global technology community. Huawei announced that they politely declined Foxconn's request for OEM and decided to hand over the phone OEM order to BYD...
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Which airports are busiest during the "Double Festival" holiday? Tianfu Airport ranks among the top five in China
Which airports in China are the busiest during the recent 8-day double holiday? On October 7th, a holiday report released by Feichangzhun showed that during the holiday period, Chengdu Tianfu International Airport was one of the busiest airports in China in terms of flight volume, ranking third in terms of domestic flight volume and fourth in terms of international and regional flight volume.According to the Feichangzhun Civil Aviation Kanban data, during this year's Mid Autumn National Day from September 29th to October 6th, the actual number of passenger flights executed on domestic routes reached 110000, an increase of 14% and 96% compared to the same period in 2019 and 2022, respectively...
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Evaluation and analysis of the latest ten air fryers, multi-dimensional evaluation of heating/odor/materials!
I had long wanted to create an air fryer evaluation and analysis report. Previously, I wrote several popular science articles about air fryers, which led many users to ask how to choose an air fryer without stepping into the trap? Especially how to avoid the safety, irritating odor, and high temperature resistance issues that exist in air fryers? So today we will conduct a multi-dimensional evaluation and analysis of air fryers based on the popular models on the market! Avoid potential hazards caused by blind and random purchases by everyone!This issue of air fryer evaluation is presented by comparing scientific evaluation methods with completely authentic results,Overview of air fryer models participating in the evaluation:Air fryer evaluation dimension one: heating efficiencyThe heating efficiency of an air fryer can be said to be a key factor in determining the cooking speed! High heating efficiency means that the internal center temperature quickly rises to a stable working temperature, which is equivalent to giving a fryer an accelerator to quickly preheat and start frying delicious food...
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Haigeng Dam Display and Operation Accompanying Robot
During this year's "Double Festivals", the Kunming Haigeng Dam Scenic Area showcased and operated accompanying robots, opening an attempt to innovate the model of technology+culture and tourism. It is reported that the accompanying robot during the "Double Festival" period was welcomed by the people as soon as it appeared, and tourists actively participated in the experience...
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In the 2001 South China Sea collision, the US military requested that the aircraft be filled with fuel and returned, but China dismantled it into parts
Rented in the United States on July 3, 2001An124 giant transport aircraftArrived in China and shipped awayEP-3 reconnaissance aircraft disassembled into parts.The An124 rented by the United States is transporting reconnaissance aircraft partsYou need to know the reconnaissance planeCaught by our army during an irregular reconnaissance activity against our countryBeing disassembled into parts can be described asDelightful and heartwarming...
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How hot is the Asian Games? The interactive volume of the Asian Games mini program is nearly 6 billion, and the consumption around the venue has increased threefold
Illustration: Consumers can use Alipay to facilitate payment provided by interviewees (the same below)This year's National Day coincides with the Hangzhou Asian Games, and the "competition+tourism" has stimulated new vitality during the long holiday. On October 6, the Alipay platform released the "Asian Games Economy" report...
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The 2023 Shanghai International Biomedical Industry Week will open on the 16th, and the action plan for gene therapy and medical robots will be released
Poster journalist Yang Yilin filmed on sitePoster News Reporter Yang Yilin reports from ShanghaiOn October 7th, poster journalists learned from the Shanghai Municipal Government press conference that the 2023 Shanghai International Biopharmaceutical Industry Week will be held from October 16th to 20th.The theme of this Industrial Week is "Joining the Future with Vitality", adhering to the concept of "high-end, distinctive, and international"...
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