........................................................

public class Pokemon {

    final public String name;

    final public String type;

    private int hp;

    private int attack;

    private int defense;

    private int speed;

 

    public Pokemon(String n, String t) {

        this.name = n;

        this.type = t;

    }

 

    public Pokemon(String n, String t, int hp, int attack, int defense, int speed) {

        this.name = n;

        this.type = t;

        this.hp = hp;

        this.attack = attack;

        this.defense = defense;

        this.speed = speed;

    }

 

    public int getHp() {

        return hp;

    }

 

    public void setHp(int hp) {

        this.hp = hp;

    }

 

    public int getAttack() {

        return attack;

    }

 

    public void setAttack(int attack) {

        this.attack = attack;

    }

 

    public int getDefense() {

        return defense;

    }

 

    public void setDefense(int defense) {

        this.defense = defense;

    }

 

    public int getSpeed() {

        return speed;

    }

 

    public void setSpeed(int speed) {

        this.speed = speed;

    }

}

.............................................................

public class Main {

 

    public static void main(String[] args) {

        TweetBuilder builder = new TweetBuilder("@mytwitterhandle");

 

        builder.displayName("Fred Nista")

               .date("03/21/2016")

               .message("This is a tweet");

 

        Tweet mytweet = builder.build();

 

        System.out.println(mytweet.toString());

    }

 

}

...........................................

public class Tweet {

    final public String handle;

    final public String displayName;

    final public String date;

    private String message;

 

    public Tweet(String handle, String displayName, String date) {

        this.handle = handle;

        this.displayName = displayName;

        this.date = date;

    }

 

    public String getMessage() {

        return message;

    }

 

    public void setMessage(String message) {

        this.message = message;

    }

 

    public String toString() {

        StringBuilder builder = new StringBuilder(handle);

        builder.append("\n")

                .append(displayName)

                .append("\n")

                .append(date)

                .append("\n")

                .append(message);

        return builder.toString();

    }

}

...................................

public interface TweetLoader {

 

    public void save(Tweet tweet, String location);

 

    public Tweet load(String location);

 

}

.............................................

import java.io.FileNotFoundException;

import java.io.IOException;

import java.io.PrintWriter;

import java.nio.charset.Charset;

import java.nio.file.Files;

import java.nio.file.Path;

import java.nio.file.Paths;

import java.util.List;

import java.util.Scanner;

 

// Compile and run this program to see how Java does IO.

public class JavaIO {

 

    public static void main(String[] args) {

 

        // Prompt the user for name

        System.out.print("Your name: ");

 

        // Create a Scanner that reads from System's standard in

        Scanner stdin = new Scanner(System.in);

 

        // Read a line from the user's keyboard input.

        String name = stdin.nextLine();

 

        // Output the name to standard out.

        System.out.println("Hello, " + name);

 

        String fileLocation = "name.txt";

        // Create or overwrite a file called "name.txt" and put the name and numbers 0 ~ 9 in it.

        try (PrintWriter out = new PrintWriter(fileLocation)) {

            out.println(name);

            for (int i = 0; i < 10; i++) {

                out.println(i);

            }

        } catch (FileNotFoundException e) {

            System.err.println("Writing to a file failed. Cause: " + e.getMessage());

            System.exit(-1); //If something goes wrong, let's terminate the program.

        }

 

        // Create a Path object from our file location

        Path path = Paths.get(fileLocation);

        try {

            // Read from the Path and print all the lines.

            List<String> lines = Files.readAllLines(path, Charset.defaultCharset());

            for (String line : lines) {

                System.out.println(line);

            }

        } catch (IOException e) {

            System.err.println("Reading from a file failed. Cause: " + e.getMessage());

            System.exit(-1); //If something goes wrong, let's terminate the program.

        }

    }

}