JavaWith.NextlevelCoders

𝗤. 𝗪𝗵𝗮𝘁 𝗶𝘀 𝗮 𝗽𝗼𝗿𝘁 𝗻𝘂𝗺𝗯𝗲𝗿? ============================== A port number is a way to identify a specific process to which an internet or other network message is to be forwarded when it arrives at a server. ⏺ It directs messages to the correct application on a server. ⏺ Each network device has standardized ports with assigned numbers. ⏺ Port numbers range from 0 to 65535. ⏺ Common examples: port 80 for web (HTTP) and port 443 for secure web (HTTPS).

𝗦𝘂𝗯𝘀𝗰𝗿𝗶𝗯𝗲 𝗼𝘂𝗿 𝗬𝗼𝘂𝗧𝘂𝗯𝗲 𝗖𝗵𝗮𝗻𝗻𝗲𝗹 ⬇️ https://www.youtube.com/@CodingDrawRun

𝗝𝗮𝘃𝗮 'Object' 𝗖𝗹𝗮𝘀𝘀 𝗠𝗲𝘁𝗵𝗼𝗱𝘀 ⬇️ http://youtube.com/post/UgkxEZL87Idc01khwEDzPB4k05XPb2yDxsXJ?si=-kI5RIF_𝗙𝗩𝗔𝟵𝗹𝗛𝗚𝗴

𝗗𝗶𝗳𝗳𝗲𝗿𝗲𝗻𝗰𝗲 𝗯𝗲𝘁𝘄𝗲𝗲𝗻 ( '==' operator) 𝗔𝗡𝗗 equals() Method ⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️ http://youtube.com/post/Ugkxzsn1tilpcdQV2jZ8dUpXAS9UEbdHdFj0?si=Fvx_cvKoqnscmcEl ⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️

𝗥𝗘𝗦𝗧 𝗔𝗣𝗜 ============================== Application Programming Interfaces (APIs) are the backbone of software communication. In the acronym API, the word “Application” refers to software that performs a distinct function. An “Interface” is a contract between two applications that defines a set of rules, protocols, and methods for communication. “Programming” makes all of this possible. APIs have been around for a long time in one form or the other: ============================== In the 60s and 70s, we had subroutines and libraries to share code and functionality between programs. In the 1980s, Remote Procedure Calls (RPC) emerged, allowing programs running on different computers to execute procedures on each other. With the widespread adoption of the Internet in the 2000s, web services such as SOAP became widely adopted. The late 2000s and early 2010s marked the rise of RESTful APIs, which have since become the dominant approach due to their simplicity and scalability. In recent years, the API-first approach to software development has gained significant traction, driven by the emphasis on building loosely coupled services. REST APIs, in particular, have emerged as the go-to choice for developers worldwide. In this post, we will explore the world of REST APIs and cover basic concepts.

𝗥𝗘𝗦𝗧 𝗔𝗣𝗜 ============================== Application Programming Interfaces (APIs) are the backbone of software communication. In the acronym API, the word “Application” refers to software that performs a distinct function. An “Interface” is a contract between two applications that defines a set of rules, protocols, and methods for communication. “Programming” makes all of this possible. APIs have been around for a long time in one form or the other: ============================== In the 60s and 70s, we had subroutines and libraries to share code and functionality between programs. In the 1980s, Remote Procedure Calls (RPC) emerged, allowing programs running on different computers to execute procedures on each other. With the widespread adoption of the Internet in the 2000s, web services such as SOAP became widely adopted. The late 2000s and early 2010s marked the rise of RESTful APIs, which have since become the dominant approach due to their simplicity and scalability. In recent years, the API-first approach to software development has gained significant traction, driven by the emphasis on building loosely coupled services. REST APIs, in particular, have emerged as the go-to choice for developers worldwide. In this post, we will explore the world of REST APIs and cover basic concepts.

. 13. What is the difference between stack memory and heap memory? Stack memory is used for storing local variables and function calls, while heap memory is used for dynamically allocated memory using keywords like "new" or "malloc". Stack memory is managed by the compiler, while heap memory must be managed manually by the programmer.

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