2,306
edits
Changes
Jump to navigation
Jump to search
mLine 3:
Line 3: − sudo apt-get update+ − sudo apt-get install oracle-java8-installer</nowiki>+ Line 349:
Line 349: + + + + + + + + +
→Collections
===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:
Collections.sort(studentsArrayList, new DescendingStudentComparator());
Collections.sort(studentsArrayList, new DescendingStudentComparator());
</syntaxhighlight>
=== Set Interface (unique values) ===
<syntaxhighlight lang="java">
Set<String> set = Set("Apple", "Banana", "Cat");
Set<String> hashset = new HashSet<>(set);
hashset.add("Dog");
</syntaxhighlight><br />
</syntaxhighlight><br />
==Classes and Objects==
==Classes and Objects==
<source lang="java">
<source lang="java">