Введение в JAVA

Java Java – язык программирования: объектно-ориентированный кроссплатформенный строго-типизированный

Применение 1.1 billion desktops run Java 930 million Java Runtime Environment downloads each year 3 billion mobile phones run Java 31 times more Java phones ship every year than Apple and Android combined 100% of all Blu-ray players run Java 1.4 billion Java Cards are manufactured each year set-top boxes, printers, games, car navigation systems, ATMs, lottery terminals, medical devices, parking payment stations and more

Семейства Java Java SE – Java Standard Edition Java EE – Java Enterprise Edition Java ME – Java Micro Edition Java FX Java Card

Особенности JVM – Java Virtual Machine JRE – Java Runtime Environment JDK – Java Development Kit

IDE Eclipse NetBeans IntelliJ IDEA

Hello, world! public class HelloWorld { public static void main(String[] args) { System.out.println("Hello, world!"); }

Hello, world! $ javac HelloWorld.java $ java HelloWorld Hello, world! $

Javadoc package com.my.helloworld; /** * Class prints "Hello, world!" to standard output * Max T. */ public class HelloWorld { /* * Main method (entry point for application) */ public static void main(String[] args) { // Prints "Hello, world!" string System.out.println("Hello, world!"); }

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