rmg007

import java.io.*;

public class BufferedReaderBufferedWriterExample {
    static String filePath = "/Users/ryan/Desktop/file.txt";
    public static void main(String[] args) throws IOException {
        //String word = "hello java";
        //char[] chars = word.toCharArray();
        //try(FileWriter fw = new FileWriter(filePath);
        //BufferedWriter bw = new BufferedWriter(fw)){
        //    bw.write(word);

rmg007

import java.io.*;

public class BufferedInputStreamBufferedOutputStreamExample {
    // BufferedInputStream and BufferedOutputStream are efficient
    // when reading and writing large files in chunks

    static String filePath = "/Users/ryan/Desktop/file.txt";

    public static void main(String[] args) throws IOException {
        String word = "hello java";

rmg007

import java.io.CharArrayReader;
import java.io.CharArrayWriter;
import java.io.FileWriter;
import java.io.IOException;

public class CharArrayReaderWriter {
    static String filePath = "/Users/ryan/Desktop/file.txt";

    public static void main(String[] args) throws IOException {
        String word = "java";

rmg007

import java.io.ByteArrayOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;

public class ByteArrayInputStreamByteArrayOutputStreamExample {
   static String filePath = "/Users/ryan/Desktop/file.txt";

    public static void main(String[] args) throws IOException {
        String word = "java";
        byte[] bytes = word.getBytes();

rmg007

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;

public class FileInputStreamOutputStreamExample {
    /*
         J  a  v  a  -  i  s  -  a  w  e    s    o    m    e
         0  1  2  3  4  5  6  7  8  9  10   11   12   13   14
                        1  2  3  4  5  6    7    8    9    10
    */

rmg007

import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

public class FileReaderWriterExample {

    //FileReader is meant for writing streams of characters
    // File Writer is meant for writing streams of characters

    static String filePath = "/Users/ryan/Desktop/file.txt";

rmg007

import java.util.Random;
import java.util.Scanner;

/*
    lecture 130 in learn and dive deep in Java course  
    https://www.udemy.com/course/best-java-course/?referralCode=3F66CEAE090AA62ADCB2
 */

public class GuessTheNumber{
    public static void main(String[] args) {

rmg007

import java.util.Random;
import java.util.concurrent.ThreadLocalRandom;

public class RandomNumbers {
    public static void main(String[] args) {
        for (int i = 0; i < 100; i++) {
            System.out.println(getRandomNumber_4(4, 9));
        }
    }

rmg007

public class MathMethodsExample {
    public static void main(String[] args) {

        System.out.println("Max of 6 and 9: " + Math.max(6, 9));
        System.out.println("Min of 6 and 9: " + Math.min(6, 9));

        System.out.println("The PI value: " + Math.PI);

        System.out.println("Square root of 36: " + Math.sqrt(36));
        System.out.println("Cube root of 125: " + Math.cbrt(125));

rmg007

import java.time.*;
import java.util.Map;
import java.util.Set;

public class TimeZones {
    /*
        ZoneId Formats:
             20:30Z
             GMT+02:00
             America/Los_Angeles (Area/City)