Work with Java

Source Code is in Main.java===>Compiling==> Byte Code in Main.class==>Running==> JVM (Java Virtual Machine)

Compiling

public class Main{

psvm() {

Sysout("Hello World");

}

javac

(Java Compiler)

Byte Code

Main.class

Machine language (JVM)

public Main{

//body

psvm() {

Sysout("Hello World");

}

In Java, there is package(folder)

example:

package programku //

There are 2 folders:

bin(binary).

Main.class

Program.class

src:

Main.java

program.java

We can do in CMD:

javac Main.java -d ..\bin

javac programku\CobaOtong.java -d ..\bin

Execute via bin

cd bin. |The program will be execute via package there is

java programku.CobaOtong

*) programku is name of package

How to Compile?

Use Command Line

javac Main.java

Result is

Main.class and Main.java

How to run the Byte Code to JVM?

In Command Line:

java Main

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