в 17:43, 31 мая 2010

2010-05-31T17:43:48Z

Admin: 1 версия

2010-05-31T14:10:30Z

1 версия

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== LinkedHashMap: clear() ==



<source lang="java">

import java.util.LinkedHashMap;
public class Main {
public static void main(String[] args) {
LinkedHashMap<String,String> lHashMap = new LinkedHashMap<String,String>();
lHashMap.put("1", "One");
lHashMap.put("2", "Two");
lHashMap.put("3", "Three");
lHashMap.clear();
System.out.println(lHashMap.size());
}
}

</source>



== LinkedHashMap: containsKey(Object key) ==



<source lang="java">

import java.util.LinkedHashMap;
public class Main {
public static void main(String[] args) {
LinkedHashMap<String,String> lHashMap = new LinkedHashMap<String,String>();
lHashMap.put("1", "One");
lHashMap.put("2", "Two");
lHashMap.put("3", "Three");
boolean blnExists = lHashMap.containsKey("3");
System.out.println(blnExists);
}
}

</source>



== LinkedHashMap: containsValue(Object value) ==



<source lang="java">

import java.util.LinkedHashMap;
public class Main {
public static void main(String[] args) {
LinkedHashMap<String,String> lHashMap = new LinkedHashMap<String,String>();
lHashMap.put("1", "One");
lHashMap.put("2", "Two");
lHashMap.put("3", "Three");
boolean blnExists = lHashMap.containsValue("Two");
System.out.println(blnExists);
}
}

</source>



== LinkedHashMap: get(Object key) ==



<source lang="java">

import java.util.LinkedHashMap;
public class Main {
public static void main(String[] args) {
LinkedHashMap<String,Integer> lHashMap = new LinkedHashMap<String,Integer>();
lHashMap.put("One", new Integer(1));
lHashMap.put("Two", new Integer(2));

Object obj = lHashMap.get("One");
System.out.println(obj);
}
}

</source>



== LinkedHashMap: put(K key, V value) ==



<source lang="java">

import java.util.LinkedHashMap;
public class Main {
public static void main(String[] args) {
LinkedHashMap<String,String> lHashMap = new LinkedHashMap<String,String>();
lHashMap.put("1", "One");
lHashMap.put("2", "Two");
lHashMap.put("3", "Three");
boolean blnExists = lHashMap.containsKey("3");
System.out.println(blnExists);
}
}

</source>



== LinkedHashMap: remove(Object key) ==



<source lang="java">

import java.util.LinkedHashMap;
public class Main {
public static void main(String[] args) {
LinkedHashMap<String,String> lHashMap = new LinkedHashMap<String,String>();
System.out.println(lHashMap.size());
lHashMap.put("1", "One");
lHashMap.put("2", "Two");
lHashMap.put("3", "Three");
System.out.println(lHashMap.size());
Object obj = lHashMap.remove("2");
System.out.println(lHashMap.size());
}
}

</source>



== LinkedHashMap: size() ==



<source lang="java">

import java.util.LinkedHashMap;
public class Main {
public static void main(String[] args) {
LinkedHashMap<String,String> lHashMap = new LinkedHashMap<String,String>();
System.out.println(lHashMap.size());
lHashMap.put("1", "One");
lHashMap.put("2", "Two");
lHashMap.put("3", "Three");
System.out.println(lHashMap.size());
Object obj = lHashMap.remove("2");
System.out.println(lHashMap.size());
}
}

</source>



== LinkedHashMap: values() ==



<source lang="java">

import java.util.Collection;
import java.util.Iterator;
import java.util.LinkedHashMap;
public class Main {
public static void main(String[] args) {
LinkedHashMap<String,String> lHashMap = new LinkedHashMap<String,String>();
lHashMap.put("1", "One");
lHashMap.put("2", "Two");
lHashMap.put("3", "Three");
Collection c = lHashMap.values();
Iterator itr = c.iterator();
while (itr.hasNext()){
System.out.println(itr.next());
}
}
}

</source>



== new LinkedHashMap() ==



<source lang="java">

import java.util.LinkedHashMap;
public class Main {
public static void main(String[] args) {
LinkedHashMap<Integer, Integer> linkedMap = new LinkedHashMap<Integer, Integer>();
for (int i = 0; i < 10; i++) {
linkedMap.put(i, i);
}
System.out.println(linkedMap);
// Least-recently used order:
linkedMap = new LinkedHashMap<Integer, Integer>(16, 0.75f, true);
for (int i = 0; i < 10; i++) {
linkedMap.put(i, i);
}
System.out.println(linkedMap);
for (int i = 0; i < 7; i++)
System.out.println(linkedMap.get(i));
System.out.println(linkedMap);
}
}

</source>



== new LinkedHashMap(int initialCapacity, float loadFactor, boolean accessOrder) ==



<source lang="java">

import java.util.LinkedHashMap;
public class Main {
public static void main(String[] args) {
LinkedHashMap<Integer, Integer> linkedMap = new LinkedHashMap<Integer, Integer>();
for (int i = 0; i < 10; i++) {
linkedMap.put(i, i);
}
System.out.println(linkedMap);
// Least-recently used order:
linkedMap = new LinkedHashMap<Integer, Integer>(16, 0.75f, true);
for (int i = 0; i < 10; i++) {
linkedMap.put(i, i);
}
System.out.println(linkedMap);
for (int i = 0; i < 7; i++)
System.out.println(linkedMap.get(i));
System.out.println(linkedMap);
}
}

</source>

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Admin: 1 версия