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 79:
Line 79: − + + + + + + + + + + + + + + + + + + + Line 978:
Line 996: + + Line 1,515:
Line 1,535: − + Line 1,607:
Line 1,627: − + Line 1,614:
Line 1,634: + + + + + + + + + + + + + + + + + + + + + + +
→Exceptions
===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:
System.out.println("My integer is: " + myInt);
System.out.println("My integer is: " + myInt);
}
}
}</source>
}</source><syntaxhighlight lang="java">
//Java 11
" ".isBlank(); // --> true
" lr ".strip(); //Java 11
" lr ".stripLeading().replace(" ", "@");
" lr ".stripTrailing().replace(" ", "@");
"line1\nline2\nline3".lines().forEach(System.out::println);
//Java 12
"UPPER".transform(s -> s.substring(2));
//Java 13
"My name is %s. My age is %d".formatted("Rafa", 40);
//Java 14
</syntaxhighlight>
==Enum type==
==Enum type==
See code example:<br />
See code example:<br />
==Exceptions==
==Exceptions==
[http://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html Class Exception]
[http://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html Class Exception]
[https://github.com/in28minutes/in28minutes-initiatives/blob/master/The-in28Minutes-TroubleshootingGuide-And-FAQ/quick-start.md Exception Troubleshooting]
===trows===
===trows===
<source lang="java">
<source lang="java">
<br />
<br />
== Predicate Not ==
==Predicate Not==
Java 11<syntaxhighlight lang="java">
Java 11<syntaxhighlight lang="java">
import java.util.List;
import java.util.List;
# Run java application
# Run java application
java someclass.jar
java -jar someclass.jar
# List module dependencies
# List module dependencies
</syntaxhighlight>
</syntaxhighlight>
==Frameworks==
[[Java: Spring|Spring]]
==Java and Eclipse troubleshooting==
====Default Home Folder for JDK====
*Windows: C:\Program Files\Java\jdk-{version}
**Example for JDK 16 - C:\Program Files\Java\jdk-16
**Example for JDK 17 - C:\Program Files\Java\jdk-17
*Mac: /Library/Java/JavaVirtualMachines/jdk-{version}.jdk/Contents/Home
**Example for JDK 16 - /Library/Java/JavaVirtualMachines/jdk-16.jdk/Contents/Home
**Example for JDK 17 - /Library/Java/JavaVirtualMachines/jdk-17.jdk/Contents/Home
====Default Home Folder for JDK====
*Windows: C:\Program Files\Java\jdk-{version}\bin
**Example for JDK 16 - C:\Program Files\Java\jdk-16\bin
*Mac: /Library/Java/JavaVirtualMachines/jdk-{version}.jdk/Contents/Home/bin
**Example for JDK 16 - /Library/Java/JavaVirtualMachines/jdk-16.jdk/Contents/Home/bin
[[Category:Java]]