1 Professor J Beginner
2 Professor J Intermediate
3 Professor J Intermediate + Access
4 Professor J Advanced
Index
Version: 4.0.2

 

4 ProfessorJ Advanced

  Program

 

=

 

Import ... Def ...

PackageDec Import ... Def ...

  PackageDec

 

=

 

package Name ;

  Import

 

=

 

import Name ;

import Name.* ;

  Def

 

=

 

Class

Interface

public Class

public Interface

  Class

 

=

 

class Id {Member ...}

class Id implements Id ,Id ... {Member ...}

class Id extends Id {Member ...}

class Id extends Id implements Id ,Id ... {Member ...}

abstract class Id {Member ...}

abstract class Id implements Id ,Id ... {Member ...}

abstract class Id extends Id {Member ...}

abstract class Id extends Id implements Id ,Id ... {Member ...}

  Interface

 

=

 

interface Id {Signature ...}

interface Id extends Id ,Id ... {Signature ...}

  Signature

 

=

 

MethodReturn Id (Type Id ,...) ;

abstract MethodReturn Id (Type Id ,...) ;

  Member

 

=

 

Field

Modifier Field

Method

Modifier Method

Constructor

Modifier Constructor

{Statement ...}

  Modifier

 

=

 

public

private

protected

  Field

 

=

 

Type Id = Expression ;

Type Id = ArrayInit ;

Type Id ;

static Type Id = Expression ;

static Type Id = ArrayInit ;

static Type Id ;

  Method

 

=

 

MethodReturn Id (Type Id ,...) {Statement ...}

abstract MethodReturn Id (Type Id ,...) ;

final MethodReturn Id (Type Id ,...) {Statement ...}

static MethodReturn Id (Type Id ,...) {Statement ...}

  MethodReturn

 

=

 

void

Type

  Constructor

 

=

 

Id (Type Id ,...) {Statement ...}

  Statement

 

=

 

Expression = Expression ;

if (Expression) Statement else Statement

if (Expression) Statement

return Expression ;

return ;

{Statement ...}

while (Expression) {Statement ...}

do {Statement ...} while (Expression)

for (ForInit ForExpression ForUpdate ...) {Statement ...}

break ;

continue ;

super (Expression ,...) ;

this (Expression ,...) ;

Type Id ;

Type Id = Expression ;

Type Id = ArrayInit ;

StatementExpression ;

  StatementExpression

 

=

 

Id (Expression ,...)

Expression.Id (Expression ,...)

super.Id (Expression ,...)

Expression ++

++ Expression

Expression --

-- Expression

  ForInit

 

=

 

Type Id = Expression ;

Type Id = ArrayInit ;

StatementExpression ,StatementExpression ... ;

;

  ForExpression

 

=

 

Expression ;

;

  ForUpdate

 

=

 

StatementExpression

Expression = Expression

  ArrayInit

 

=

 

{ArrayInit ,...}

{Expression ,...}

  Expression

 

=

 

Expression Op Expression

- Expression

+ Expression

! Expression

++ Expression

-- Expression

Expression --

Expression ++

this

Id. (expression ,...)

Expression.Id (Expression ,...)

super.Id (Expression ,...)

Expression.Id

Expression [Expression] [Expression] ...

new Id (Expression ,...)

new Type [Expression] [Expression] ...

(Type) Expression

Expression instanceof Type

Expression ? Expression : Expression

check Expression expect Expression

check Expression expect Expression within Expression

(Expression)

Id

Number

Character

String

null

true

false

  Name

 

=

 

Id. ... Id

  Op

 

=

 

+

-

*

/

<

<=

==

>

>=

&&

||

  Type

 

=

 

Id

boolean

int

char

double

float

long

byte

short

Type []

An Id is a sequence of alphanumeric characters, _, and $.