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package com.bazlur;
//type
public class Calculator {
// int 4 Byte
// float 4 byte 4.5
// double 8 byte
// long 8 byte
package com.bazlur;
import java.util.Scanner;
public class Main {
//
// function is called method
public static void main(String[] args) {
Calculator calculator = new Calculator();
@rokon12
rokon12 / NetworkUtil.java
Created August 1, 2018 12:23
How to check if internet is available from internet application
public static boolean isOnline(Context context) {
ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
if (connectivityManager != null) {
NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo();
return activeNetworkInfo != null && activeNetworkInfo.isConnected() && isInternetAvailable();
}
return false;
}
@rokon12
rokon12 / diningphiloshoper_Chopstick.java
Created November 14, 2017 14:24
Dinning Philosopher
package com.bazlur.ds.thread.diningphiloshoper;
/**
* @author Bazlur Rahman Rokon
* @since 11/14/17.
*/
public class Chopstick {
}
package thread;
import java.io.*;
import java.net.URL;
import java.net.URLConnection;
import java.nio.file.Files;
import java.nio.file.StandardCopyOption;
class DownloadingHeartBeat extends Thread {
private volatile boolean beating = true;
package com.bazlur;
import java.util.EnumSet;
import java.util.Set;
import java.util.List;
import java.util.function.BiFunction;
import java.util.stream.Collectors;
import java.util.stream.Stream;
public class Card {
@rokon12
rokon12 / Card.java
Created October 5, 2017 19:23
Demo of cartesian product
package com.bazlur;
import java.util.EnumSet;
import java.util.Set;
import java.util.List;
import java.util.function.BiFunction;
import java.util.stream.Collectors;
import java.util.stream.Stream;
public class Card {
package com.bazlur.ds;
/**
* @author Bazlur Rahman Rokon
* @since 7/12/17.
*/
public class Pair<T, U> {
private final T x;
private final U y;
@rokon12
rokon12 / filesystem_Directory.java
Created April 7, 2017 20:31
In memory file system implementation using Java
package oop.filesystem;
import java.util.Set;
import java.util.TreeSet;
/**
* @author Bazlur Rahman Rokon
* @since 3/31/17.
*/
public class Directory extends Node {
package oop;
import java.util.ArrayList;
/**
* @author Bazlur Rahman Rokon
* @since 3/31/17.
*/
public class Directory extends Entry {
protected ArrayList<Entry> contents;