4 ProfessorJ Advanced

Program

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Import ... Def ... PackageDec Import ... Def ...

PackageDec

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package Name ;

Import

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import Name ; import Name.* ;

Def

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Class Interface public Class public Interface

Class

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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

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

Signature

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

Member

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Field Modifier Field Method Modifier Method Constructor Modifier Constructor {Statement ...}

Modifier

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public private protected

Field

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Type Id = Expression ; Type Id = ArrayInit ; Type Id ; static Type Id = Expression ; static Type Id = ArrayInit ; static Type Id ;

Method

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MethodReturn Id (Type Id ,...) {Statement ...} abstract MethodReturn Id (Type Id ,...) ; final MethodReturn Id (Type Id ,...) {Statement ...} static MethodReturn Id (Type Id ,...) {Statement ...}

MethodReturn

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void Type

Constructor

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

Statement

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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

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Id (Expression ,...) Expression.Id (Expression ,...) super.Id (Expression ,...) Expression ++ ++ Expression Expression -- -- Expression

ForInit

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Type Id = Expression ; Type Id = ArrayInit ; StatementExpression ,StatementExpression ... ; ;

ForExpression

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Expression ; ;

ForUpdate

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StatementExpression Expression = Expression

ArrayInit

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{ArrayInit ,...} {Expression ,...}

Expression

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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

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Id. ... Id

Op

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+ - * / < <= == > >= && ||

Type

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Id boolean int char double float long byte short Type []

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