Oracle Certification Associate 1Z0-808: Difference between revisions
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</source> | |||
==Import Conflicts== | |||
<source lang="Java"> | |||
import java.util.*; | |||
import java.sql.*; | |||
// ==> in code = COMPILATION error | |||
Date date; | |||
</source> | </source> |
Revision as of 16:38, 4 June 2020
Links
Installation
Windows
<source lang="Shell"> C:\Program Files\Java </source>
- Java Se Development Kit 8
- Java FX SDK
- Private JRE - Java Runtime Edition
- Java Mission Control Tools
Can also be installed:
- Development Tools
- Source Code
- Public JRE
Linux
<source lang="Shell"> sudo apt-get install oracle-java8-installer cd /usr/lib/jvm/java-8-oracle
- Java version
java -v
- Java Compiler
javac -version </source>
Basics
Main Method
<source lang="Java"> public static void main(String[] args]) </source>
Comments
<source lang="Java"> // Single Line Comment
/* Multi Line Comment
- /
/**
* Java Doc Comment * @param * @return */
</source>
Import Conflicts
<source lang="Java"> import java.util.*; import java.sql.*;
// ==> in code = COMPILATION error Date date; </source>