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mLine 3:
Line 3: − sudo apt-get update+ − sudo apt-get install oracle-java8-installer</nowiki>+ Line 951:
Line 951: − + Line 1,514:
Line 1,514: + + + + + + + + + + + + + + + + + + + +
→module-info.java
===With apt===
===With apt===
<nowiki>sudo apt-add-repository ppa:webupd8team/java
<nowiki>sudo apt-add-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java8-installer</nowiki>
Also ensure your JAVA_HOME variable has been set to:
Also ensure your JAVA_HOME variable has been set to:
</syntaxhighlight>
</syntaxhighlight>
=== readString writeString (Java 11) ===
===readString writeString (Java 11)===
<syntaxhighlight lang="java">
<syntaxhighlight lang="java">
import java.io.IOException;
import java.io.IOException;
exports: allows other packages to use your classes
exports: allows other packages to use your classes
<br />
<br />
== Predicate Not ==
Java 11<syntaxhighlight lang="java">
import java.util.List;
import java.util.function.Predicate;
public class PredicateNotRunner {
public static boolean isEven(Integer number){
return number&2==0;
}
public static void main(String[] args){
List<Integer> numbers = List.of(3, 4, 5, 57, 65, 88);
// Predicate<Integer> evenNumberPredicate = number -> number%2==0;
// numbers.stream().filter(evenNumberPredicate).forEach(System.out::println);
numbers.stream().filter(Predicate.not(PredicateNotRunner::isEven)).forEach(System.out::println);
}
}
</syntaxhighlight>
==Sort strings==
==Sort strings==
<syntaxhighlight lang="java">
<syntaxhighlight lang="java">