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First Steps In Java Udemy Course

#toPublish

  • Java is interpreted
  • Source code > Compiled into Byte code > Interpreted by JVM into Machine readable instructions
  • Therefore, it is platform independent
  • Focusses on Compile time errors instead of run time erros

JDK - Java Development Kit

  • As a programmer it is needed to create and compile java programs
  • From Java 11, Both JDK + JRE are integrated, so there is no need to separately install JRE JRE - Java Runtime Environment
  • To run java application, for example when we download a java based application from internet, we need JRE to able to run it.
  • Main component in JRE is JVM (Java Virtual Machine)
  • Runs the application and manages memory (Stack + Heap)

Data types ![[Untitled 13.png|Untitled 13.png]]

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