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java£ºÊÖдMyLinkedListËùÓз½·¨£¬Ôöɾ¸Ä²é

package arrays.myArray;
public class MyLinkedList {
 private int size = 0;
 private Node1 head = null;
 // Ìí¼Ó
 public void add(Object obj) {
  add(size, obj);
 }
 // ÐÞ¸Ä
 public void add(int index, Object obj) {
  if (null == head) {
   head = new Node1(obj, null);
  } else {
   if (0 == index) {
    head = new Node1(obj, head);
   } else {
    Node1 temp = head;
    for (int i = 0; i < index - 1; i++) {
     temp = temp.next;
    }
    temp.next = new Node1(obj, temp.next);
   }
  }
  size++;
 }
 // ÒÆ³ý
 public void remove(int index) {
  if (0 == index) {
   head = head.next;
  } else {
   Node1 temp = head;
   for (int i = 0; i < index - 1; i++) {
    temp = temp.next;
   }
   temp.next = temp.next.next;
  }
  size--;
 }
 // ²éѯ
 public Object get(int index) {
  Node1 temp = head;
  for (int i = 0; i < index; i++) {
   temp = temp.next;
  }
  return temp.obj;
 }
 // ×ܳ¤¶È
 public int size() {
  return size;
 }
}
class Node1 {
 Object obj;
 Node1 next;
 public Node1(Object obj, Node1 next) {
  this.obj = obj;
  this.next = next;
 }
}


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java£ºdoubleÀàÐͽØÈ¡Á©Î»Ð¡Êý£¬²»È¡Éᣬ

public class Split{
 public static void main(String[] args){
       double pai = 3.14159;
        findTwo(pai);
  public static void findTwo(double value){
    System.out.println(new DecimalFormat("0.##"). ......

java£ºObject¶ÔÏó½øÐÐÅÅÐò

package arrays.compara;
import java.util.Arrays;
public class Student {
 public static void main(String[] args) {
  Stu[] stus = new Stu[]{
    new Stu(156,34,"ad"),
    new Stu(153,24,"cc"),
    new Stu(126,37,"ab"), ......

java£º´óÊý¾ÝÎļþдÈ룬¶ÁÈ¡£¬·Ö¸î£¬ÅÅÐò£¬ºÏ²¢

package arrays.file;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Collections;
import java.util.Iterator;
import java.util.LinkedList;
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