Top 10 Ways to Improve Your Communication Skills

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1. Listen, Really Listen

2. Up Your Empathy

3. Be Brief Yet Specific

4. Tailor Your Message to Your Audience

5. Put Away the Distractions

6. Ask Questions and Repeat the Other Person

7. Tell a Story

8. Have a Script for Small Talk and Other Occasions

9. Get Rid of Unnecessary Conversation Fillers

10. Watch Your Body Language

Google Cloud Messaging | GCM Push Notification in Java

package gcmdemo;

import java.util.ArrayList;

import com.google.android.gcm.server.Message;
import com.google.android.gcm.server.MulticastResult;
import com.google.android.gcm.server.Result;
import com.google.android.gcm.server.Sender;

public class gcmfirst {

    public static void main(String args[]) {

        new Thread(){

            public void run(){
   
                try {
                    //Please add here your project API key: "Key for browser apps (with referers)".
                 
                    Sender sender = new  Sender("AIzaSyD2Kbz2pjnJbnEQQsQVQuvv5plc6eprlSI");

                    // use this to send message with payload data
                    Message message = new Message.Builder()
                    .collapseKey("message")
                    .timeToLive(3)
                    .delayWhileIdle(true)
                    .addData("message", "jignesh kanjariya test Notification") //you can get this message on client side app
                    .build();

                    //Use this code to send notification message to a single device
                    Result result = sender.send(message,"APA91bHzuNhiM4oShGy_U_8MwV_DN48NYE7BsM1tq0u_o9b7_yMKH97b-KiajV6-bhIb0wdU3HjRou8IDEKCgBIerTLCT3saQfEZtvosg6Y2vvrrKwzV5bI306-i36LJ9FAZN7NAWUy0",1);
                    System.out.println("Message Result: "+result.toString()); //Print message result on console

                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }.start();  
    }
}

Apple Push Notification in Java

Requirements for Send Apple push Notification

• Java 1.5
• javapns 2.0: javapns_2.0_Beta_5.jar
• Open-source libraries:
• commons-lang-2.4.jar
• commons-io-1.4.jar
• bcprov-jdk15-146.jar
• log4j-1.2.15.jar
• SSL certificate provided by Apple + private key, exported as a PKCS12 keystore file
• Device Token ID (example: 2ed202ac08ea9033665d853a3dc8bc4c5e98f7c6cf8d55910df290567037dcc4)
• iPhone app

Apple Push Notification on Single Device

 import javapns.*;

public class PushNoty {

       public static void main(String[] args) {

        

                Push.alert("Test Notification", "keystore.p12", "p12password", false, "token");

       }

 }

here,

first argument is a Messgae or Notification,

second is your .p12 file of Mobile application

Third is your password of .p12 file

last is your Device token id.

Apple Push Notification on Multiple Devices

import javapns.*;

        

 public class PushNoty {

       public static void main(String[] args) {

                String[] devices = {"token 1", "token 2"};

                Push.alert("Test Notification", "keystore.p12", "p12password", false, devices);

        }

 }

list of java programs for interview

1. print prime numbers?
2. String Reverse Without using String API
3. Check string is palindrome or not?
4. Reverse a number in java?
5. Fibonacci series with Recursive?
6. Fibonacci series without using Recursive?
7. Sort the String using string API?
8. Sort the String without using String API?
9. what is the difference between method overloading and method overriding?
10. How to find largest element in an array with index and value ?
11. Sort integer array using bubble sort in java?
12. Object Cloning in java example?
13. Method Overriding in java?
14. Program for create Singleton class?
15. Print numbers in pyramid shape?
16. Check armstrong number or not?
17. Producer Consumer Problem?
18. Remove duplicate elements from an array
19. Convert Byte Array to String
20. Print 1 to 10 without using loops
21. Add 2 Matrices
22. Multiply 2 Matrices
23. Check Even or Odd without using modulus and division
24. How to Add elements to hash map and Display
25. Sort ArrayList in descending order
26. Sort Object Using Comparator
27. Count Number of Occurrences of character in a String
28. Can we Overload static methods in java
29.   Can we Override static methods in java
30. Explain return type in java 
31. Can we call Sub class methods using super class object? 
32. Can we Override private methods ? 

get last day of month in java

import java.text.DateFormat;  
import java.text.DateFormat;  
import java.text.SimpleDateFormat;  
import java.util.Calendar;  
import java.util.Date;  


public class GetLastDay {  

    public static void main(String[] args) {  

        Date today = new Date();  

        Calendar calendar = Calendar.getInstance();  
        calendar.setTime(today);  

        calendar.add(Calendar.MONTH, 1);  
        calendar.set(Calendar.DAY_OF_MONTH, 1);  
        calendar.add(Calendar.DATE, -1);  

        Date lastDayOfMonth = calendar.getTime();  

        DateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");  
        System.out.println("Today            : " + sdf.format(today));  
        System.out.println("Last Day of Month: " + sdf.format(lastDayOfMonth));  
    }  

} 




decoding json in Java

import org.json.simple.JSONObject;
import org.json.simple.JSONArray;
import org.json.simple.parser.ParseException;
import org.json.simple.parser.JSONParser;

class JsonDecodeDemo {

   public static void main(String[] args){
 
      JSONParser parser = new JSONParser();
      String s = "[0,{\"1\":{\"2\":{\"3\":{\"4\":[5,{\"6\":7}]}}}}]";
  
      try{
         Object obj = parser.parse(s);
         JSONArray array = (JSONArray)obj;
   
         System.out.println("The 2nd element of array");
         System.out.println(array.get(1));
         System.out.println();

         JSONObject obj2 = (JSONObject)array.get(1);
         System.out.println("Field \"1\"");
         System.out.println(obj2.get("1"));    

         s = "{}";
         obj = parser.parse(s);
         System.out.println(obj);

         s = "[5,]";
         obj = parser.parse(s);
         System.out.println(obj);

         s = "[5,,2]";
         obj = parser.parse(s);
         System.out.println(obj);
      }catch(ParseException pe){
  
         System.out.println("position: " + pe.getPosition());
         System.out.println(pe);
      }
   }
}

output:-
The 2nd element of array
{"1":{"2":{"3":{"4":[5,{"6":7}]}}}}
Field "1"
{"2":{"3":{"4":[5,{"6":7}]}}}
{}
[5]
[5,2]

encoding json in Java

import org.json.simple.JSONObject;

class JsonEncodeDemo {

   public static void main(String[] args){
      JSONObject obj = new JSONObject();

      obj.put("name", "jignesh");
      obj.put("number", new Integer(100));
      obj.put("balance_account", new Double(1000.21));
      obj.put("is_admin", new Boolean(true));

      System.out.print(obj);
   }
}

output:- {"balance_account": 1000.21, "number":100, "is_admin":true, "name":"jignesh"}