3. Java Features

• Developed by Sun Microsystems

• Object-oriented

• General-purpose

• Architecturally neutral, can run on wide variety of computers

• Does not execute instructions on computer directly

• Runs on a hypothetical computer known as Java virtual machine (JVM)

• Source code -- files containing

  • data definitions, and

  • programming statements written in high-level programming language

• Even simplest Java application involves fair amount of confusing syntax