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321 bytes added ,  10:34, 19 April 2022
m
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===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 update
        sudo apt-get install oracle-java8-installer</nowiki>
+
        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:
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</syntaxhighlight>
 
</syntaxhighlight>
   −
==== Array of arguments ====
+
====Array of arguments====
 
<syntaxhighlight lang="java">
 
<syntaxhighlight lang="java">
 
void print(int... values) {
 
void print(int... values) {
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String[][] = new String[2][3];
 
String[][] = new String[2][3];
 
</source>
 
</source>
 +
 +
==== ArrayList ====
 +
<syntaxhighlight lang="java">
 +
ArrayList<String> items = new ArrayList<String>()
 +
items.add("Apple")
 +
items.add("Bat")
 +
items.add("Cat")
 +
items.remove("Cat")
 +
items.remove(0)
 +
items.size()
 +
Colections.max(items)
 +
 +
</syntaxhighlight>
    
==Classes and Objects==
 
==Classes and Objects==
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             int yearsLeft = 67 - age;
 
             int yearsLeft = 67 - age;
 
             return yearsLeft;
 
             return yearsLeft;
 +
    }
 +
    publick String toString(){
 +
        return name + ' (' + age + ')'
 
     }
 
     }
 
}
 
}

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