Unit 1 notes

Question 1

Structured and object oriented

Answer 1

one focuses on making functions…the others about the data

Question 2

Class

Answer 2

blueprint

Question 3

Object

Answer 3

instances

Question 4

Encapsulation

Answer 4

Data is captured in a function

Question 5

Abstraction

Answer 5

UK!

Question 6

Inheritance

Answer 6

process in which one object acquires the properties
of another object

Question 7

Polymorphism

Answer 7

one name many forms

Method Overloading (Compile-time Polymorphism): Same method name with different parameters.

Method Overriding (Runtime Polymorphism): Same method signature in parent and subclass, with different implementations.

Question 8

Applet

Answer 8

Java program that is
designed to be transmitted over the Internet and
automatically executed inside a Java-compatible web
browser

Question 9

Security of java

Answer 9

classloader: java class ~ jvm

bytecode: checks the code fragments for illegal code that can violate access rights to objects

Security manager: determines what resources a class can access such as reading and writing to the local disk

Question 10

JVM

Answer 10

Loads code, Verifies code, Executes code, Provides runtime environment for bytecode

Question 11

Java SE

Answer 11

software, beginning java developers

Question 12

Enterprise edition (EE)

Answer 12

Large scale, built upon java se, experienced

Question 13

Micro ME

Answer 13

apps on mobiles and small devices

Question 14

javac

Answer 14

compiler, source code to bytecode

Question 15

java

Answer 15

interpreter

Question 16

javadoc

Answer 16

Creates API in HTML from the source code

Question 17

jdb

Answer 17

debug classes