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TurkuBasicOOPinJava / Week 7: Enum, Generic Type, Streams, write to file, class diagram

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History: 30 commits

KaiquanMah

class Class1 implements Interface1 {...}

f4eefc6 verified 10 months ago

01A. Enum Classes+++

4.83 kB
enum Topic1 {VALUE1, ...}; "someStr" == Topic1.VALUE1; 10 months ago
01B. All Cardinal Directions

1.64 kB
UPPERCASEVALUES - for Java Constants 10 months ago
02. Class Route

2.6 kB
Create 02. Class Route 10 months ago
03. Routes in the Given Direction

2.98 kB
route.getDirection() == direction 10 months ago
04A. Generic Type Definition [in Class, Attribute, Param, Return]+++

6.05 kB
class Box<TYPE>{private TYPE value; ...} 10 months ago
04B. Generic Duplicator

3.71 kB
public Constructor(T param){...}; public T method1() {...} 10 months ago
05. Generic Queue Class

3.25 kB
this.queue.add(0, element); 10 months ago
06A. Generics in Interface Classes++

1.35 kB
interface Pair<T1, T2> { T1 getFirst(); T2 getSecond(); } 10 months ago
06B. Implement the StringSwapper Class

2.8 kB
class StringSwapper implements Swapper<String> {...} 10 months ago
07A. Generics and Class Hierarchies????

3.11 kB
class PersonContainer<T extends Person> 10 months ago
07B. Generic Class MinMax????

3.16 kB
class MinMax<T extends Comparable<T>> 10 months ago
08A. Streams+++

3.31 kB
stringList.stream().forEach(strElement -> System.out.println(strElement)); 10 months ago
08B. Print Players

3.34 kB
forEach 10 months ago
09A. sum-average-min-max(), OptionalInt+++

3.31 kB
OptionalInt; chk ArrayList not empty -> then run getAsInt() 10 months ago
09B. Sum, Average, Minimum, Maximum+++

2.12 kB
sum returns int - no need getAsInt() 10 months ago
10A. Filtering Elements+++

2.91 kB
map then filter OR filter (directly) 10 months ago
10B. Print North Routes

3.42 kB
objList.stream().filter(obj -> obj.method() == value1).forEach(obj -> ...); 10 months ago
11A. Useful Stream Operations+++

2.09 kB
map mapToInt mapToDouble collect 10 months ago
11B. Sentences Ending with a Period

2.77 kB
str.substring equals; str.charAt ==; str.endsWith 10 months ago
12A. Writing to a File - PrintWriter+++

1.89 kB
try (PrintWriter file = new PrintWriter("fileName.txt")) {...} 10 months ago
12B. Names to a File

1.72 kB
catch (FileNotFoundException e) {...} 10 months ago
13A. Expression Statements+++

1.99 kB
b = a++ [add, keep initial a]; ++a [add, get new 'a'] 10 months ago
13B. Expression Statements Values+++

538 Bytes
Create 13B. Expression Statements Values+++ 10 months ago
14A. Creating List, convert to ArrayList+++

2.32 kB
List, boxed() 10 months ago
14B. List of Seven Brothers

990 Bytes
ArrayList<String> list1 = new ArrayList<String>(List.of("item1", ...)); 10 months ago
15A. UML Modeling Language

4.79 kB
Create 15A. UML Modeling Language 10 months ago
15B. Write a class based on UML diagram

1.44 kB
Create 15B. Write a class based on UML diagram 10 months ago
16. Implement a Class Hierarchy

1.97 kB
class Class1 implements Interface1 {...} 10 months ago