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accounts = [Select ID, Name, BillingState From Account 
      Where BillingState IN ('CA','NY','FL')];
 

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apex:page controller="RemotingObjectsController">
  <script>
      /* Declare Javascript Function 
      function Account(){
          this.Id = null;
          this.Name = null;
          }

      var acc1 = new Account();
      acc1.Name = 'Texas';

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public with sharing class RemotingObjectsController {

    @RemoteAction
    public static void addAccounts(List<Account> accounts){
        insert accounts;
    }

}

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public class DataUtils {
    //pass object name and Id to get all fields for sObject record
    public static sObject getObject(string objName, string id) {

        String fieldnames = '';
        sObject obj;
        try {
            Map < String, Schema.SObjectType > m = Schema.getGlobalDescribe();
            Schema.SObjectType s = m.get(objName);
            Schema.DescribeSObjectResult r = s.getDescribe();

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       pageParams = ApexPages.CurrentPage().getParameters();
       string theId;
       if (pageParams.containsKey('id')) {
           theId = pageParams.get('id');
       } else {
           return null;
       }

       //now go look up the account using getObject method

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public class MyClass()
{
    MyClass c  = new MyClass();
    List<MyClasss> myList = new List<MyClass>();
    myList.add(c);
}

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private Integer cost;
public Integer getcost() { return cost; }
public void setcost(Integer cost) { this.cost=cost; }


// Variable as Property

public Integer cost { get { return cost; }  set { this.cost= cost;}}

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//Declaring and using Interface 

public interface myInterface {

 void doSomething (String thing);
}

public class MyClass implements MyInterface {

public void doSomething(String x);

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// SubClass with Method Override 

public virtual class myParentClass {

public virtual void dosomething()
{
 System.Debug('Something');

}

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TYPEOF What
WHEN Account THEN Phone, NumberOfEmployees
WHEN Opportunity THEN Amount, CloseDate
WHEN Campaign THEN ExpectedRevenue, StartDate
ELSE Name
END
FROM Event