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A functional Interface API Auto-boxing and Un-boxing Beware of Variable Scope byte Catch Order Rule Specific Checked vs. Unchecked Exceptions Compiler Time Constants Compiler VS Runtime Error Dynamic Dispatching Encapsulation Exception Propagation Finally try-catch overriding power Float vs Double Garbage Collector Heap Space java compiler Java Exceptions javac command for Compiler JVM Many things can go wrong in a program Numeric Promotion in Java Encapsulation polymorphism String Pool Unreachable Statement

Java

API

Application Programming Interface

Meaning

Application Programming Interface

An API is like a contract between two different software.

They use the API for communicating through requests and responses.

🦕 Sources

https://aws.amazon.com/what-is/api/#:~:text=API%20stands%20for%20Application%20Programming,other%20using%20requests%20and%20responses.

A functional Interface

Containing exactly one abstract method.

Auto-boxing and Un-boxing

Systems for parsing between java types

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