Java 研究組：第 1 部分（共 3 部分）（Java 簡介）

This is part 1 of 3 parts for Java Study group.
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Only for 13+ learners who are motivated to learn coding.
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In each class, we will go through new topics in Java, followed by specific examples where the coded solution will be explained and practiced together.

During the last 20-30 minutes of the each class, students will be given a similar problem to solve. They will be expected to submit their answers. We will then look at the solution together and discuss it. 
Problems will get more challenging as the class progresses. 
Once we have covered most of the material (around week 15), we will transition to solving new problems only and no teaching.

Learners should be self motivated to get better at coding in order to gain from this class. 
Learners are responsible for attempting new problems and submitting their coded solutions. 
Recordings for previous meetings will be available if they need to review material again.

Topics covered:
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1) Types of variables: integer, double, String
2) Conditions and boolean variables
3) String operations, char
4) Creating new static methods
5) for and while loops
6) Single dimensional arrays
7) Two dimensional arrays
8) Creating classes, fields, constructors and methods
9) Putting multiple classes together: hasA relationship
10) Class Inheritance
11) Designing a system of interacting classes for chosen problem
12) Handling error conditions

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Some examples covered: (not complete list)
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String problems: substring, indexOf, chatAt
Array traversal: Finding min, max, sum of arrays
Two array traversal: Merging arrays, summing multiple arrays
Reversing a string
Class inheritance problems
Solving Math problems such as area of a shapes
Tougher integer array problems: find sets of numbers that add up to a specific sum
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Goals:
Learners will learn a lot of coding by solving problems during the class itself. The problems will challenge them and build their logical and analytical thinking. The point of the study group is to learn by doing for oneself, not merely by listening to the lecture.
Tougher topics will be explained again but real understanding will come once learners think of solutions for themselves.
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Week By Week Schedule:
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Week 1 of 20: Variables - Week of Oct 1
Week 2 of 20: String operations: Week of Oct 8
Week 3 of 20: String problems: Week of Oct 15
Week 4 of 20: Tougher String problems: Week of Oct 22
Week 5 of 20: Conditions and booleans: Week of Oct 29
Week 6 of 20: Creating methods, return types, arguments: Week of Nov 5
Week 7 of 20: Basic for and while loops: Week of Nov 12
-------- Thanksgiving Break ------------
Week 8 of 20: For Loop exercises:  Week of Nov 26
Week 9 of 20: Arrays:  Week of Dec 3
Week 10 of 20: Array exercises:  Week of Dec 10
-------Winter Break ----------------
Week 11 of 20: Tougher Array exercises:  Week of Jan 7 
Week 12 of 20: Creating classes and constructors:  Week of Jan 14
Week 13 of 20: Designing classes for chosen problem:  Week of Jan 21
Week 14 of 20: Interaction of classes: hasA relationship:  Week of Jan 28
Week 15 of 20: Class Inheritance: isA relationship:  Week of Feb 4
Week 16 of 20: Class design using multiple classes:  Week of Feb 11
Week 17 of 20: Complex class design problems:  Week of Feb 18
Week 18 of 20: Algorithms:  Week of Feb 25
Week 19 of 20: More Algorithms:  Week of March 3
Week 20 of 20: More Algorithms:  Week of March 10