HelloWorld.java

Package I-T dot Nanowar dot Of Steel dot hello world (Semicolon)

Public class hello world main launcher class (Open brackets)

Public hello world main launcher class round brackets int foo (Open brackets)

Super round brackets this dot foo equals foo (Semicolon, close brackets)

Private integer, foo equals zero (Semicolon)

Public void song refrain round brackets (Open brackets)

For int i equals zero, ​i less than foo, i plus plus

System out dot print L-N, hello world (Semicolon)

Int pippo equals zero while pippo less than foo

System out dot print L-N, hello world

Pippo plus plus (Double close brackets)

Public static void main string square brackets R-G-S (Open brackets)

System out print L-N hello world programmer start (Semicolon)

Hello world main launcher class tizio equals

New hello world main launcher class two (Semicolon)

Tizio dot song refrain open close round brackets (Semicolon)

System out dot print L-N program finished (Semicolon, close brackets)

For int i equals zero, ​i less than foo, i plus plus

System out dot print L-N, hello world (Semicolon)

Int pippo equals zero while pippo less than foo

System out dot print L-N, hello world

If I may introduce a bug

The JVM will manage it for me

Ensuring both security and portability

Then I'll write my code once

And run it everywhere

With Static and Strong Typing, will let my programs be type safe

Garbage collection

For int i equals zero, ​i less than foo, i plus plus

System out dot print L-N, hello world (Semicolon)

Public void false method

Int pippo equals zero while pippo less than foo

Boolean metal equals false

System out dot print L-N, hello world (Semicolon)

If metal double equals false

For int i equals zero, ​i less than foo, i plus plus

System out dot print L-N, hello world (Semicolon)

String Joey DeCaio equals null

Int pippo equals zero while pippo less than foo

System out dot print L-N, hello—

Null pointer exception