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TurkuBasicOOPinJava / Week 5: Class hierarchies

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dcba1b0 verified 11 months ago

01A. Class hierarchies

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Parent-Ancestor vs Child; super vs sub 11 months ago
01B Inheritance relationships

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Create 01B Inheritance relationships 11 months ago
02A Inheritance in Java

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class SubClass1 extends ParentClass { } 11 months ago
02B. Boat's inheritors

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Create 02B. Boat's inheritors 11 months ago
03A. Adding features to child class

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setParentAttribute(value1) OR super(value1, ...) 11 months ago
03B. Thesis inherits book

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Create 03B. Thesis inherits book 11 months ago
04. James' video calls

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Create 04. James' video calls 11 months ago
05A. Encapsulation and inheriting [++Attribute's 4 visibility levels]

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public, protected, no set level, private 11 months ago
05B. Modifiable point

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super(x,y); 11 months ago
06. Class gradebook

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this.attr1 = new ArrayList<Class1>(); 11 months ago
07A. Overwrite and override [Overwrite - METHOD, PARAMS]

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Overwrite - METHOD, PARAMS 11 months ago
07B. Corresponding methods

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Create 07B. Corresponding methods 11 months ago
08. Write class SpecialDirector

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Create 08. Write class SpecialDirector 11 months ago
09A. Calling parent class methods [ENCAPSULATION]

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child class method overwrites parent class method 11 months ago
09B. Organic version of a shopping list

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String var1 = super.method1(); 11 months ago
10A. OVERLOADING AND OVERRIDING methods [= same method, multiple param nums AND dtypes]++

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same method, multiple param nums AND dtypes 11 months ago
10B. Better wallet

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constructor-super, new methods2-3 11 months ago
11A. About parent class constructor++

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MULTIPLE CONSTRUCTORS, EMPTY CONSTRUCTOR 11 months ago
11B. Encrypted connection

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super(param1); this(defaultParam2); 11 months ago
12A. Object-class methods - toString()

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@Override above the method 11 months ago
12B. Add a method toString

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return <ur printout> 11 months ago
13A. equals Method

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this == obj; OR Class1 var1 = (Class1) obj1; (x == obj1.x && y == obj1.y); 11 months ago
13B. Equals method for class Movie [4 basic chks]

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chk same obj, not null, not expected class, values 11 months ago
14A. More exercises: Custom Exceptions+++

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class CustomException extends Exception 11 months ago
14B. Own Exceptions 1: SuperException

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public CustomException(String msg) { super(msg); } 11 months ago
15. Own Exceptions 2: SuperGroup+++

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public void method1(Class1 obj1) throws CustomException, throw new CustomException("txt...") 11 months ago
16. Own Exceptions 3: Catching Exceptions

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catch (CustomException e) 11 months ago