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RSS订阅原创 单例模式
public class SingleTon { private static volatile SingleTon singleTon = null; private SingleTon() { }; public static SingleTon getSingleTon() { if(sing...
2019-08-26 13:33:56
92
原创 join方法
public class Test5 implements Runnable { /** * @param args */ public static void main(String[] args) { final Thread t = new Thread(new Test5()); Thread t1 = new T...
2019-08-26 13:33:46
150
原创 实现Compartor 比较排序
public static void compare() { ArrayList<HashMap<String,Object>> arr = new ArrayList<HashMap<String,Object>>(); Collections.sort(arr, new Comparator<Hash...
2019-08-26 13:33:36
125
原创 arrays.copyof,system.arraycopy
int[] a = {68,92,36,24,45,111,666,898,89,46}; int[] b = new int[12]; System.arraycopy(a, 0, b, 0, 10); for(int i=0;i< b.length;i++) { System.out.println(...
2019-08-26 13:33:02
94
原创 优先队列
package prioriyQueue;import java.util.Arrays;import java.util.Comparator;import java.util.Iterator;public class PriorityQueue1<E>{ public static final int initcalcapcity = 11; pr...
2019-08-26 13:32:46
105
原创 堆排序
package heapSort;public class HeapSort { public static void sort(int[] a) { heap(a); heapSort(a); } private static void heap(int[] a) { int startIndex =...
2018-04-26 11:20:07
75
原创 快速排序
public static void quickSort(int[] a,int left,int right) { int i = left; int j = right; if(i>=j) { return; } int temp = a[left]; ...
2018-04-25 14:38:55
75
原创 模拟Arraylist
import java.util.Arrays;import java.util.Iterator;public class ArrayList1<T>{ private Object[] a ; private int size ; ArrayList1() { this(10); } ArrayList1(int initialCa...
2018-04-25 14:38:42
93
原创 模拟Linkedlist
import java.util.Iterator;import java.util.NoSuchElementException;public class LinkedList1<T> { private Entry<T> header = new Entry<T>(null,null,null); private int size = 0; ...
2018-04-25 14:38:22
117
原创 Hashmap
import java.util.AbstractSet;import java.util.HashMap;import java.util.Iterator;import java.util.Map;import java.util.NoSuchElementException;import java.util.Set;public class HashMap1 <K,V>{ ...
2018-04-22 16:58:32
92
linux nginx
2018-11-16
linux - redis
2018-11-16
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