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parent
27490a9869
commit
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@ -1,10 +1,6 @@
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package com.raorao;
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<<<<<<< HEAD
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import java.util.Scanner;
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=======
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import java.util.HashMap;
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>>>>>>> 1c2b8c5ebb8faea5298e53672bf08b78be1c7c89
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/**
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* .
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@ -17,15 +13,8 @@ public class Test {
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private int a;
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public static void main(String[] args) {
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<<<<<<< HEAD
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String[] s = new String[10];
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System.out.println(s.length);
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System.out.println(s[0]);
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Scanner scanner = new Scanner(System.in);
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=======
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>>>>>>> 1c2b8c5ebb8faea5298e53672bf08b78be1c7c89
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}
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}
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36
code/src/main/java/com/raorao/java/althorithm/LRU.java
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36
code/src/main/java/com/raorao/java/althorithm/LRU.java
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package com.raorao.java.althorithm;
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import java.util.LinkedHashMap;
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import java.util.Map;
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/**
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* 缓存算法的实现 .
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*
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* LinkedHashMap的一个构造函数,当参数accessOrder为true时,即会按照访问顺序排序,最近访问的放在最前,最早访问的放在后面
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*
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* @author Xiong Raorao
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* @since 2018-09-10-11:53
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*/
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public class LRU<K, V> extends LinkedHashMap<K, V> {
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private final int MAX_CACHE_SIZE;
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public LRU(int cacheSize) {
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super((int) Math.ceil(cacheSize / 0.75) + 1, 0.75f, true);
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MAX_CACHE_SIZE = cacheSize;
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}
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@Override
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protected boolean removeEldestEntry(Map.Entry eldest) {
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return size() > MAX_CACHE_SIZE;
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}
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@Override
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public String toString() {
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StringBuilder sb = new StringBuilder();
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for (Map.Entry<K, V> entry : entrySet()) {
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sb.append(String.format("%s:%s ", entry.getKey(), entry.getValue()));
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}
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return sb.toString();
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}
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}
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@ -14,7 +14,6 @@ public class BreakAgent {
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public static void main(String[] args) throws ClassNotFoundException {
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TreeSet
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}
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public static class Object {
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@ -26,3 +26,5 @@
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# LRU实现
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最小访问的算法实现
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- [LRU缓存实现(Java)](https://www.cnblogs.com/lzrabbit/p/3734850.html)
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