Commit 82aee05

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unmodifiableList and unmodifiableMap beyond java 8

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src/main/java
- eclipse_collection
  - Main.java
- others/youtube
  - BeyondJava8.java

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`@@ -1,4 +1,7 @@`
`1`	`1`	`package eclipse_collection;`
`2`	`2`
`3`	`3`	`public class Main {`
	`4`	`+ public static void main( String[] args ) {`
	`5`	`+ System.out.println("hello");`
	`6`	`+ }`
`4`	`7`	`}`

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`@@ -0,0 +1,38 @@`
	`1`	`+package others.youtube;`
	`2`	`+`
	`3`	`+`
	`4`	`+import java.util.*;`
	`5`	`+`
	`6`	`+/**`
	`7`	`+ * Life Beyond Java 8, by Trisha Gee / JetBrains Technology Day for Java (2020)`
	`8`	`+ * https://www.youtube.com/watch?v=gKestt55Q4M`
	`9`	`+ */`
	`10`	`+public class BeyondJava8 {`
	`11`	`+`
	`12`	`+ public static void main( String[] args ) {`
	`13`	`+ //unmodifiableList();`
	`14`	`+ unmodifiableMap();`
	`15`	`+ }`
	`16`	`+`
	`17`	`+ //creating an unmodifiableMap`
	`18`	`+ private static void unmodifiableMap() {`
	`19`	`+ final Map<String, Integer> entries = Map.ofEntries(`
	`20`	`+ Map.entry("A", 0),`
	`21`	`+ Map.entry("B", 1),`
	`22`	`+ Map.entry("C", 2)`
	`23`	`+ );`
	`24`	`+ entries.forEach(( s, i ) -> System.out.println(s+ " => "+ i));`
	`25`	`+ }`
	`26`	`+`
	`27`	`+ //will throw an unsupportedOperationException`
	`28`	`+ public static void unmodifiableList(){`
	`29`	`+ //the old way`
	`30`	`+ List<String> strings = Arrays.asList("A", "B");`
	`31`	`+ List<String> stringList = Collections.unmodifiableList(strings);`
	`32`	`+ stringList.set(0, "C");`
	`33`	`+ //the new one`
	`34`	`+ List<String> stringList2 = List.of("A", "B");`
	`35`	`+ stringList2.set(0, "C");`
	`36`	`+ }`
	`37`	`+`
	`38`	`+}`

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