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  public   class   ParamTest  
  {  
  public   static   void   main(String[]   args)  
  {  
  /*  
    *Test   1:Methods   can't   modify   numeric   parameters  
  */  
  System.out.println("Testing   tripleValue:");  
  double   percent   =   10;  
  System.out.println("Before:   percent   ="   +   percent);  
  tripleValue(percent);  
  System.out.println("After:   percent   =   "   +   percent);  
   
  /*  
    *Test   2:   Methods   can   change   the   state   of   object    
    * parameters  
  */  
  System.out.println("\nTesting   tripleSalary:");  
  Employee   harry   =   new   Employee("Harry",50000);  
  System.out.println("Before:   salary   ="   +   harry.getSalary());  
  tripleSalary(harry);  
  System.out.println("After:   salary   ="   +   harry.getSalary());  
   
  /*  
    *Test   3:   Methods   can't   attach   new   objects   to    
    * object   parameters  
  */  
  System.out.println("\nTesting   swap:");  
  Employee   a   =   new   Employee("Alice",70000);  
  Employee   b   =   new   Employee("Bob",60000);  
  System.out.println("Before:   a &nb


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Ê×ÏÈдһ¸öJavaBean£¬ÄÚÈÝÊÇÒªÌí¼ÓµÄÔªËØºÍ¸ÃÔªËØµÄ½Úµã¡£
public class NodeBean implements Serializable
{
   
    private Object data; //ÔªËØ±¾Éí
    private NodeBean next; //ÏÂÒ»¸ö½Úµã
   
  &n ......

4.19 java programming

/////////////////////DogTestDrive/////////////////////
class DogTestDrive {
 public static void main(String[] args) {
  Dog one = new Dog();
     one.size = 70;
     Dog two = new Dog();
     two.size = 8;
   ......

LRUÒ³ÃæÖû»Ë㷨ģÄâJavaʵÏÖ....

import java.io.BufferedReader;
import java.io.InputStreamReader;
public class LRU {
 int blockCount;
 int seriaCount;
 int[] address;
 int[] stack;
 BufferedReader br;
 public static void main(String[] args) {
  // int address[] = { 1, 2,3, 2, 8, 4, 3 ......
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