Java (janino 3.0.12 API)

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

```
public final class Java
extends 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 and Description
`static class`	`Java.AbstractAnnotation` Convenience class.
`static class`	`Java.AbstractClassDeclaration` Base for the various class declaration kinds.
`static class`	`Java.AbstractPackageMemberClassDeclaration` Base for the various package member (a.k.a.
`static class`	`Java.AbstractTypeBodyDeclaration` Abstract implementation of `Java.TypeBodyDeclaration`.
`static class`	`Java.AbstractTypeDeclaration` Abstract implementation of `Java.TypeDeclaration`.
`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 "array access expression".
`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`
`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.ClassLiteral` Representation of a JLS7 15.8.2 "class literal".
`static class`	`Java.CompilationUnit` Holds the result of `Parser.parseCompilationUnit()`.
`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.ExpressionLambdaBody`
`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 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`
`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`
`static class`	`Java.IfStatement` Representation of a JLS7 14.9 IF statement.
`static class`	`Java.InferredLambdaParameters`
`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`
`static class`	`Java.LambdaExpression`
`static interface`	`Java.LambdaParameters`
`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.Modifiers` Representation of the modifier flags and annotations that are associated with a declaration.
`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.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.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.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.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.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 and Description
`static String`	`join(Object[] a, String separator)`
`static String`	`join(Object[] a, 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 String join(Object[] a,
                          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 String join(Object[] a,
                          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

Class Java

Nested Class Summary

Method Summary

Methods inherited from class java.lang.Object

Method Detail

join

join