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SDZ Video 1 – (was Arksoft) Introduction Demo1 Getting Started with Java

Getting Started with Java Demo  I will show you Where to find the Java Development Kit Download Set the path and classpath on windows Write, compile, debug and run your first Java console application Java GUI application I make some mistakes and show you how to fix them

Desktop Applications

Java Desktop Applications Let me explain a few things that will prepare you to run a Java Desktop Application, and other Java Applications as well. If you do not get this right the application won’t run. Bytecode example that looks very similar to assembly language. [code language=”java”] iconst_2 istore_1 iload_1 sipush 1000 if_icmpge 44 iconst_2 istore_2 iload_2 iload_1 if_icmpge 31 iload_1 iload_2 irem ifne 25 goto 38 iinc 2, 1 goto 11 getstatic #84; // Field java/lang/System.out:Ljava/io/PrintStream; iload_1 invokevirtual #85; // Method java/io/PrintStream.println:(I)V iinc 1, 1 goto 2 return [/code] Java runs in a virtual machine, meaning this VM (java.exe or javaw.exe) interprets Java bytecode. For the VM to be able to interpret the bytecode it needs to be started u...