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mLine 3:
Line 3: − sudo apt-get update+ − sudo apt-get install oracle-java8-installer</nowiki>+ Line 370:
Line 370: − + + + + + + + +
→Inheritance
===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:
[https://github.com/rafahsolis/javaTutorial/blob/master/StringBuilderBufferFormatting.java example code]
[https://github.com/rafahsolis/javaTutorial/blob/master/StringBuilderBufferFormatting.java example code]
==Inheritance==
==Inheritance & abstract==
Use key word extends at the class declaration<br />
Use key word extends at the class declaration<br />
private variables and methods are not inherited.<br />
private variables and methods are not inherited.<br />
protected would be the appropiated declaration to be able to inherit variables without being public.
protected would be the appropiated declaration to be able to inherit variables without being public.
<source lang="java">
<source lang="java">
abstract class Machine {
abstract public void move();
}
public class Car extends Machine {
public class Car extends Machine {
public void move() {
System.out.println("Moving...")
}
}</source>
}</source>
sample code files:<br />
sample code files:<br />