import java.util.*;
class wordFrequency{
public static void main(String args[]){
String paragraph= "ab bc ab bc abbbb bc ab cd ef bc bc ";
String eachWord[]=paragraph.split(" ");
ArrayList listEachWord = new ArrayList(Arrays.asList(eachWord));
LinkedHashMap numeach=new LinkedHashMap ();
for(int i=0;i<eachWord.length;i++){
numeach.put(eachWord[i],Collections.frequency(listEachWord,eachWord[i]));
}
System.out.println(numeach);
}}
a simple example for PreparedStatement package basics.in.java.blogspot.in; import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; public class Main { private static final String USERNAME="root"; private static final String PASSWORD=""; private static final String CONN_STRING="jdbc:mysql://localhost/basicsinjavablogspot"; public static void main(String[] args) throws ClassNotFoundException, SQLException { Class.forName("com.mysql.jdbc.Driver"); Connection conn=null; Statement stmt=null; ResultSet rs=null; try { conn= DriverManager.getConnection(CONN_STRING, USERNAME, PASSWORD); System.out.println("database connection successful"); //stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_READ_ONLY); String sql="select * fr...

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