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				import java.util.*;
				import java.io.*;
				import java.security.*;
				import java.security.cert.*;
				import java.security.cert.Certificate;
				public class CStore{
				   public static void main(String args[ ]) throws Exception{
				
				        CertificateFactory cf = CertificateFactory.getInstance("X.509");
				        List mylist = new ArrayList();
				        for(int i=0;i					        FileInputStream in=new FileInputStream(args[i]);
				        	Certificate c=cf.generateCertificate(in);
					      	mylist.add(c);
				        }
				       CertStoreParameters cparam=new CollectionCertStoreParameters(mylist);
				       CertStore cs=CertStore.getInstance("Collection",cparam);
					System.out.println(cs.getCertStoreParameters() );
					System.out.println(cs.getProvider());
					System.out.println(cs.getType());
				
				  }
				}