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public class Cache {
       
private String key;
       
private Object value;
       
private long timeOut;
       
private boolean expired;
       
public Cache() {
               
super();
        }
                
        public Cache(String key, String
value, long timeOut, boolean expired) {
               
this.key = key;
               
this.value = value;
               
this.timeOut = timeOut;
               
this.expired = expired;
        }
       
public String getKey() {
               
return key;
        }
       
public long getTimeOut() {
               
return timeOut;
        }
        public
Object getValue() {
               
return value;
      


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import java.io.*;
public class IoTest
{
public static void main(String[] args)
{
String s;
s=calculate();
System.out.println(s);
}
static String calculate()
{
StringBuffer sb=new StringBuffer("");
try{
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public class Test { 
      public static void main(String args[]) {  
        System.out.println(Integer.toBinaryString(20));   //Ê®½øÖÆ-->2½øÖÆ  
        System ......

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