Could you tell me what is wrong with this code?

import java.io.*;
import java.lang.String;
import java.util.*;
import java.util.Properties;
import java.io.InputStream;
public class EStoreClient2 {
private void insertTable (Vector value) {
     insertStmnt.setString(1, (String)value.get(0)
public void static main (String args[]) {
     Vector argument = new Vector();
     if (args.length > 0) {
          for (int i=1; i < args.length; i++) {
               argument.add(args);
               System.out.println("<argument[]> = " + args[i]);
          EStoreClient2 estore = new EStoreClient2();
          if (args[0].equalsIgnoreCase("-insertitem"))
          estore.insertTable(argument);
but it gives me
EStoreClient2.java:18: Method get(int) not found in class
java.util.Vector.
insertStmnt.setString(1, (String)value.get(0));

EStoreClient2.java:18: Method get(int) not found in
class
java.util.Vector.
insertStmnt.setString(1,
nsertStmnt.setString(1, (String)value.get(0));The method get(int) was introduced into the Vector class starting at JDK1.2. You must be using an earlier version of the JDK.

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