ojhariddhish

JDK 9 introduced a new REPL shell called JShell. 

Download JDK:
http://jdk.java.net/9/
http://jdk.java.net/10/

After installing & setting up environment variables, JShell command becomes available from BASH / Terminal / Command Prompt:
jshell

You can add a class path argument to jshell command to load external JAR files for the jshell session:

ojhariddhish

class Bicycle { 
  int cadence;
  int _speed; // private & read-only variable using underscore
  int gear;
   
  Bicycle(this.cadence, this._speed, this.gear); 
   
  int get speed => _speed; 
   
  void applyBrake(int decrement) {

ojhariddhish

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.dnsoftindia.featuredemo">

    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

    <application
        android:name=".application.MyApplication"
        android:allowBackup="true"

ojhariddhish

package com.dnsoftindia.featuredemo.activities;

import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ScrollView;

ojhariddhish

package com.dnsoftindia.featuredemo.activities;

import android.app.ProgressDialog;
import android.content.Intent;
import android.content.IntentSender;
import android.net.Uri;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;