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Java
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Revision as of 07:01, 25 April 2022
526 bytes added
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07:01, 25 April 2022
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→Classes and Objects
Line 3:
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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:
Line 504:
Line 504:
}
}
}
}
−
</syntaxhighlight>
+
</syntaxhighlight
>TreeMap<syntaxhighlight lang="java">
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TreeMap<String, Integer> treemap = new TreeMap();
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treemap.put("F", 25);
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treemap.put("Z", 5);
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treemap.put("L", 250);
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treemap.put("A", 15);
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treemap.put("B", 25);
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treemap.put("G", 25);
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treemap.higherKey("B");
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--> F
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treemap.higherKey("C"); // >
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--> F
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treemap.ceilingKey("B"); //>=
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--> B
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tremap.lowerKey("B");
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tremap.floorKey("B");
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treemap.lastEntry();
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treemap.firtstEntry();
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treemap.subMap("C", "Y");
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treemap.subMap("B", true, "Z", true); // to include last element
+
+
</syntaxhighlight><br /
>
==Classes and Objects==
==Classes and Objects==
<source lang="java">
<source lang="java">
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