java.lang.Object
- org.codehaus.janino.Java

```
public final class Java
extends java.lang.Object
```
This wrapper class defines classes that represent the elements of the Java programming language.
Notice: "JLS7" refers to the Java Language Specification, Java SE 7 Edition.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static class`	`Java.AbstractAnnotation`	Convenience class.
`static class`	`Java.AbstractClassDeclaration`	Base for the various class declaration kinds.
`static class`	`Java.AbstractCompilationUnit`	Holds the result of `Parser.parseAbstractCompilationUnit()`.
`static class`	`Java.AbstractTypeBodyDeclaration`	Abstract implementation of `Java.TypeBodyDeclaration`.
`static class`	`Java.AbstractTypeDeclaration`	Abstract implementation of `Java.TypeDeclaration`.
`static class`	`Java.AccessModifier`	Representation of the modifier flags and annotations that are associated with a declaration.
`static class`	`Java.AlternateConstructorInvocation`	Representation of a JLS7 8.8.7.1.
`static class`	`Java.AmbiguousName`	Representation of a JLS7 6.5.2 "ambiguous name".
`static interface`	`Java.Annotatable`	Representation of Java elements that can be annotated: Fields, constructors, methods, type declarations.
`static interface`	`Java.Annotation`	Representation of a Java annotation.
`static interface`	`Java.AnnotationTypeDeclaration`	Base for package member ("top-level") and member ("nested") annotation type declarations.
`static class`	`Java.AnonymousClassDeclaration`	Representation of a JLS7 15.9.5 "anonymous class declaration".
`static class`	`Java.ArrayAccessExpression`	Representation of a JLS7 15.13 (JLS8: 15.10.3) "array access expression".
`static class`	`Java.ArrayCreationReference`	Representation of a "method reference expression", as described in JLS9 15.13, with the form "`<var>arrayType</var>::new`".
`static class`	`Java.ArrayInitializer`	Representation of a JLS7 10.6 "array initializer".
`static interface`	`Java.ArrayInitializerOrRvalue`	The union of `Java.ArrayInitializer` and `Java.Rvalue`.
`static class`	`Java.ArrayLength`	Representation of the JLS7 10.7 array type "length" pseudo-member.
`static class`	`Java.ArrayType`	Representation of a JLS7 10.1 "array type".
`static class`	`Java.AssertStatement`	Representation of the JLS7 14.10 ASSERT statement.
`static class`	`Java.Assignment`	Representation of all JLS7 15.26 assignments.
`static class`	`Java.Atom`	Abstract base class for `Java.Type`, `Java.Rvalue`, `Java.Package` and `Java.ConstructorInvocation`.
`static class`	`Java.BinaryOperation`	Representation of all non-operand-modifying binary operations.
`static class`	`Java.Block`	Representation of a Java "block" (JLS7 14.2).
`static class`	`Java.BlockLambdaBody`	Representation of a "lambda body" that is a block; see JLS9 15.27.2.
`static interface`	`Java.BlockStatement`	Everything that can be compiled to code, e.g. the statements occurring in the body of a method or in a block, explicit constructor invocations and instance/static initializers.
`static class`	`Java.BooleanLiteral`	Representation of a "boolean literal" (JLS7 3.10.3) (type `boolean`).
`static class`	`Java.BooleanRvalue`	Base class for `Java.Rvalue`s that compile better as conditional branches.
`static class`	`Java.BreakableStatement`	Base class for statements that can be terminated abnormally with a `break` statement.
`static class`	`Java.BreakStatement`	Representation of the JLS7 14.15 BREAK statement.
`static class`	`Java.Cast`	Representation of a JLS7 15.16 "cast expression".
`static class`	`Java.CatchClause`	Representation of a JLS7 14.20.1 CATCH clause.
`static class`	`Java.CatchParameter`	Representation of a "catch" parameter.
`static class`	`Java.CharacterLiteral`	Representation of a "character literal" (JLS7 3.10.4) (type `char`).
`static interface`	`Java.ClassDeclaration`	Base for the various class declarations (top-level class, local class, anonymous class, nested class, top-level enum, nested enum).
`static class`	`Java.ClassInstanceCreationReference`	Representation of a "method reference expression", as described in JLS9 15.13, with the form "`<var>classType</var>::new`".
`static class`	`Java.ClassLiteral`	Representation of a JLS7 15.8.2 "class literal".
`static class`	`Java.CompilationUnit`	Representation of an "ordinary compilation unit" as explained in JLS9 7.3 (before Java 9 known as "compilation unit" and described in JLS8 7.3).
`static class`	`Java.ConditionalExpression`	Representation of a JLS7 15.25 "conditional operation".
`static class`	`Java.ConstructorDeclarator`	Representation of a constructor declarator.
`static class`	`Java.ConstructorInvocation`	Abstract bas class for `Java.SuperConstructorInvocation` and `Java.AlternateConstructorInvocation`.
`static class`	`Java.ContinuableStatement`	Base class for statements that support the "continue" statement.
`static class`	`Java.ContinueStatement`	Representation of the JLS7 14.16 CONTINUE statement.
`static class`	`Java.Crement`	Representation of a JLS7 15.14.2 "postfix increment operation", a JLS7 15.14.3 "postfix decrement operation", a JLS7 15.15.1 "prefix increment operation" or a JLS7 15.15.2 "prefix decrement operation".
`static interface`	`Java.DocCommentable`	Representation of a Java element that can be annotated with a DOC comment ("`/**`
`static class`	`Java.DoStatement`	Representation of a JLS7 14.13 DO statement.
`static interface`	`Java.ElementValue`	Base of the possible element values in a `Java.NormalAnnotation`.
`static class`	`Java.ElementValueArrayInitializer`	An element value in the form of an array initializer, e.g
`static class`	`Java.ElementValuePair`	Representation of a "name = value" element in a `Java.NormalAnnotation`.
`static class`	`Java.EmptyStatement`	Representation of the "empty statement", i.e. the blank semicolon.
`static class`	`Java.EnclosingScopeOfTypeDeclaration`	Lazily determines and returns the enclosing `Java.Scope` of the given `Java.TypeDeclaration`.
`static class`	`Java.EnumConstant`	Representation of an "enum constant", see JLS7 8.9.1.
`static interface`	`Java.EnumDeclaration`	Base for package member (a.k.a.
`static class`	`Java.ExportsModuleDirective`	Representation of a (Java 9+) "exports directive", as explained in JLS9 7.7.2.
`static class`	`Java.ExpressionLambdaBody`	Representation of a "lambda body" that is an expression; see JLS9 15.27.2.
`static class`	`Java.ExpressionStatement`	Representation of the JLS7 14.8 "expression statement".
`static class`	`Java.FieldAccess`	Representation of an access to a field of a class or an interface.
`static class`	`Java.FieldAccessExpression`	Representation of a JLS7 15.11 "field access expression", including the "array length" pseudo field access.
`static class`	`Java.FieldDeclaration`	This class is derived from "Statement", because it provides for the initialization of the field.
`static interface`	`Java.FieldDeclarationOrInitializer`
`static class`	`Java.FloatingPointLiteral`	Representation of a "floating-point literal" (JLS7 3.10.2) (types `float` and `double`).
`static class`	`Java.ForEachStatement`	Representation of a JLS7 14.14.2 "enhanced FOR statement".
`static class`	`Java.FormalLambdaParameters`	Representation of "lamba parameters" that include a formal parameter list; see JLS9 15.27.1.
`static class`	`Java.ForStatement`	Representation of a JLS7 14.14.1 "basic FOR statement".
`static class`	`Java.FunctionDeclarator`	Abstract base class for `Java.ConstructorDeclarator` and `Java.MethodDeclarator`.
`static class`	`Java.IdentifierLambdaParameters`	Representation of "lamba parameters" that consist of a single identifier; see JLS9 15.27.1
`static class`	`Java.IfStatement`	Representation of a JLS7 14.9 IF statement.
`static class`	`Java.InferredLambdaParameters`	Representation of "lamba parameters" that include an inferred formal parameter list; see JLS9 15.27.1.
`static class`	`Java.Initializer`	Representation of an "instance initializer" (JLS7 8.6) or "static initializer" (JLS7 8.7).
`static class`	`Java.Instanceof`	Representation of a JLS7 15.20.2 "type comparison operation".
`static class`	`Java.IntegerLiteral`	Representation of an "integer literal" (JLS7 3.10.1) (types `int` and `long`).
`static class`	`Java.InterfaceDeclaration`	Base for the various interface declaration kinds.
`static class`	`Java.Invocation`	Abstract base class for `Java.MethodInvocation` and `Java.SuperclassMethodInvocation`.
`static class`	`Java.LabeledStatement`	Representation of a JLS7 14.7 "labeled statement".
`static interface`	`Java.LambdaBody`	Representation of a "lambda body", see JLS9 15.27.2.
`static class`	`Java.LambdaExpression`	Representation of a (Java 8+) "lambda expression", see JLS9 15.27.
`static interface`	`Java.LambdaParameters`	Base for the various "lambda parameters" styles, see JLS9 15.27.1.
`static class`	`Java.Literal`	Abstract base class for the various Java literals; see JLS7 3.10.
`static class`	`Java.LocalClassDeclaration`	Representation of a "local class declaration" i.e. a class declaration that appears inside a method body.
`static class`	`Java.LocalClassDeclarationStatement`	Representation of the JLS7 14.3 "local class declaration statement".
`static class`	`Java.LocalVariable`	Representation of a local variable while it is in scope during compilation.
`static class`	`Java.LocalVariableAccess`	Representation of a local variable access -- used during compilation.
`static class`	`Java.LocalVariableDeclarationStatement`	Representation of a JLS7 14.4 "local variable declaration statement".
`static class`	`Java.LocalVariableSlot`	All local variables have a slot number; local variables that get written into the "local variable table" also have a start and end offset that defines the variable's extent in the bytecode.
`static interface`	`Java.Locatable`	This interface is implemented by objects which are associated with a location in the source code.
`static class`	`Java.Located`	Abstract implementation of `Java.Locatable`.
`static class`	`Java.Lvalue`	Representation of an "lvalue", i.e. an expression that has a type and a value, and can be assigned to: An expression that can be the left-hand-side of an assignment.
`static class`	`Java.MarkerAnnotation`	Representation of a "marker annotation", i.e. an annotation without any elements in parentheses.
`static class`	`Java.MemberAnnotationTypeDeclaration`	Representation of a member annotation type declaration, a.k.a.
`static class`	`Java.MemberClassDeclaration`	Representation of a "member class declaration", i.e. a class declaration that appears inside another class or interface declaration.
`static class`	`Java.MemberEnumDeclaration`	Representation of a "member enum declaration", i.e. an enum declaration that appears inside another class or interface declaration.
`static class`	`Java.MemberInterfaceDeclaration`	Representation of a "member interface declaration", i.e. an interface declaration that appears inside another class or interface declaration.
`static interface`	`Java.MemberTypeDeclaration`	Represents a class or interface declaration where the immediately enclosing scope is another class or interface declaration.
`static class`	`Java.MethodDeclarator`	Representation of a method declarator.
`static class`	`Java.MethodInvocation`	Representation of a JLS7 15.12 "method invocation expression".
`static class`	`Java.MethodReference`	Representation of a "method reference expression", as described in JLS9 15.13, with the form "`<var>referenceType</var>::identifier`.
`static interface`	`Java.Modifier`	Base for the various modifiers (access modifiers, annotations).
`static class`	`Java.Modifiers`	Deprecated. Many methods that previously accepted a parameter of this type now take a `Java.Modifier[]` (incompatible API change in JANINO version 3.0.13)
`static class`	`Java.ModularCompilationUnit`	Represents a `ModularCompilationUnit` as specified in JLS11 7.3.
`static class`	`Java.ModuleDeclaration`	Representation of a "module declaration", as described in JLS9 7.7.
`static interface`	`Java.ModuleDirective`	Representation of a (Java 9+) "module directive", as explained in JLS9 7.7.
`static class`	`Java.NamedClassDeclaration`	Base for the various named class declarations.
`static interface`	`Java.NamedTypeDeclaration`	Represents the declaration of a class or an interface that has a name.
`static class`	`Java.NewAnonymousClassInstance`	Representation of a JLS7 15.9 "anonymous class instance creation expression".
`static class`	`Java.NewArray`	Representation of a JLS7 15.10 "array creation expression".
`static class`	`Java.NewClassInstance`	Representation of a JLS7 "class instance creation expression".
`static class`	`Java.NewInitializedArray`	Representation of a JLS7 15.10 "array creation expression".
`static class`	`Java.NormalAnnotation`	A "normal annotation", i.e. an annotation with multiple elements in parentheses and curly braces.
`static class`	`Java.NullLiteral`	Representation of a "null literal" (JLS7 3.10.7).
`static class`	`Java.OpensModuleDirective`	Representation of a (Java 9+) "opens directive", as explained in JLS9 7.7.2.
`static class`	`Java.Package`	Representation of a JLS7 6.5.2.1.5 "package name".
`static class`	`Java.PackageDeclaration`	Representation of a package declaration like `package com.acme.tools;`.
`static class`	`Java.PackageMemberAnnotationTypeDeclaration`	Representation of a package member annotation type declaration, a.k.a.
`static class`	`Java.PackageMemberClassDeclaration`	Implementation of a "package member class declaration", a.k.a.
`static class`	`Java.PackageMemberEnumDeclaration`	Implementation of a "package member enum declaration", a.k.a.
`static class`	`Java.PackageMemberInterfaceDeclaration`	Representation of a "package member interface declaration", a.k.a.
`static interface`	`Java.PackageMemberTypeDeclaration`	Represents a class or interface declaration on compilation unit level.
`static class`	`Java.ParameterAccess`	"Artificial" operation for accessing the parameters of the synthetic constructor of an anonymous class.
`static class`	`Java.ParenthesizedExpression`	Representation of a JLS7 15.8.5 "parenthesized expression".
`static class`	`Java.Primitive`	Java's primitive types.
`static class`	`Java.PrimitiveType`	Representation of a JLS7 4.2 "primitive type", i.e a primitive type "usage", which has a location.
`static class`	`Java.ProvidesModuleDirective`	Representation of a (Java 9+) "provides directive", as explained in JLS9 7.7.4.
`static class`	`Java.QualifiedThisReference`	Representation of an JLS7 15.8.4 access to the current object or an enclosing instance.
`static class`	`Java.ReferenceType`	Representation of a JLS7 4.3 reference type.
`static class`	`Java.RequiresModuleDirective`	Representation of a (Java 9+) "requires directive", as explained in JLS9 7.7.1.
`static class`	`Java.ReturnStatement`	Representation of the JLS7 14.17 RETURN statement.
`static class`	`Java.Rvalue`	Representation of an "rvalue", i.e. an expression that has a type and a value, but cannot be assigned to: An expression that can be the right-hand-side of an assignment.
`static class`	`Java.RvalueMemberType`	Representation of the first part of a JLS7 15.9 "Qualified class instance creation expression": The "`a.new MyClass`" part of "`a.new MyClass(...)`" expression.
`static interface`	`Java.Scope`	Representation of a Java "scope", e.g. a compilation unit, type, method or block.
`static class`	`Java.SimpleConstant`	This class is not used when code is parsed; it is intended for "programmatic" literals.
`static class`	`Java.SimpleType`	This class is not used when code is parsed; it is intended for "programmatic" types.
`static class`	`Java.SingleElementAnnotation`	Representation of a "single-element annotation", i.e. an annotation followed by a single element in parentheses.
`static class`	`Java.Statement`	Everything that can occur in the body of a method or in a block.
`static class`	`Java.StringLiteral`	Representation of a "string literal" (JLS7 3.10.5) (type `String`).
`static class`	`Java.SuperclassFieldAccessExpression`	Representation of an JLS7 "superclass field access expression", e.g
`static class`	`Java.SuperclassMethodInvocation`	Representation of a JLS7 15.12.1.1.3 "superclass method invocation".
`static class`	`Java.SuperConstructorInvocation`	Representation of a JLS7 8.8.7.1.
`static class`	`Java.SwitchStatement`	The JLS7 14.10 `switch` Statement.
`static class`	`Java.SynchronizedStatement`	Representation of a JLS7 14.9 SYNCHRONIZED statement.
`static class`	`Java.TextBlock`	Representation of a "text block" (JLS17 3.10.6 Text Blocks) (type `String`).
`static class`	`Java.ThisReference`	Representation of an JLS7 15.8.3 access to the innermost enclosing instance.
`static class`	`Java.ThrowStatement`	Representation of a JLS7 14.18 THROW statement.
`static class`	`Java.TryStatement`	Representation of a JLS7 14.20 TRY statement.
`static class`	`Java.Type`	Representation of a Java type.
`static interface`	`Java.TypeArgument`	Representation of a JLS7 4.5.1 type argument.
`static interface`	`Java.TypeBodyDeclaration`	Representation of a "ClassBodyDeclaration" or an "InterfaceMemberDeclaration".
`static interface`	`Java.TypeDeclaration`	Base for the various kinds of type declarations, e.g. top-level class, member interface, local class.
`static class`	`Java.TypeParameter`	Representation of a type parameter (which declares a type variable).
`static class`	`Java.UnaryOperation`	Representation of a JLS7 15.15.3 "unary plus operator", a JLS7 15.15.4 "unary minus operator", a JLS7 15.15.5 "bitwise complement operator" or a JLS7 15.15.6 "logical complement operator".
`static class`	`Java.UsesModuleDirective`	Representation of a (Java 9+) "uses directive", as explained in JLS9 7.7.3.
`static class`	`Java.VariableDeclarator`	Used by FieldDeclaration and LocalVariableDeclarationStatement.
`static class`	`Java.WhileStatement`	Representation of the JLS7 14.2 WHILE statement.
`static class`	`Java.Wildcard`	Representation of a JLS7 4.5.1 "wildcard".

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static Java.AccessModifier[]`	`accessModifiers(Location location, java.lang.String... keywords)`
`static java.lang.String`	`join(java.lang.Object[][] aa, java.lang.String innerSeparator, java.lang.String outerSeparator)`
`static java.lang.String`	`join(java.lang.Object[] a, java.lang.String separator)`
`static java.lang.String`	`join(java.lang.Object[] a, java.lang.String separator, int off, int len)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

join
```
public static java.lang.String join(java.lang.Object[] a,
                                    java.lang.String separator)
```
Returns:

null iff a == null, or "" iff a.length == 0, or the elements of a, converted to strings concatenated and separated with the separator

join

public static java.lang.String join(java.lang.Object[][] aa,
                                    java.lang.String innerSeparator,
                                    java.lang.String outerSeparator)

Returns:: null iff aa == null, or "" iff aa.length == 0, or the elements of aa, converted to strings concatenated and separated with the outerSeparator

join

public static java.lang.String join(java.lang.Object[] a,
                                    java.lang.String separator,
                                    int off,
                                    int len)

Returns:: "" iff off >= len, or elements off ... len-1 of a, converted to strings, concatenated and separated with the separator

accessModifiers

public static Java.AccessModifier[] accessModifiers(Location location,
                                                    java.lang.String... keywords)

Returns:: An array of Java.Modifiers, parsed from a sequence of access modifier keywords

Class Java

Nested Class Summary

Method Summary

Methods inherited from class java.lang.Object

Method Detail

join

join

join

accessModifiers