| Name | Description | Type | Package | Framework |
| BadTypeArgsException | Thrown when an invalid type is specified as part of a gwt. | Class | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| HasAnnotations | Interface implemented by elements that can have annotations. | Interface | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| HasMetaData | Interface | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) | |
| HasTypeParameters | Interface implemented by elements that can have can have type parameters, namely classes and methods. | Interface | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| JAbstractMethod | Common interface for JMethod and JConstructor. | Interface | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| JAnnotationMethod | Method declared on an annotation type. | Interface | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| JAnnotationType | Type representing an annotation type. | Interface | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| JArrayType | Type representing a Java array. | Interface | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| JClassType | Type used to represent any non-primitive type. | Interface | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| JConstructor | Represents a constructor declaration. | Interface | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| JEnumConstant | An enumeration constant declared in an enumerated type. | Interface | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| JEnumType | Type representing a Java enumerated type. | Interface | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| JField | Represents a field declaration. | Interface | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| JGenericType | Type declaration that has type parameters. | Interface | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| JMethod | Represents a method declaration. | Interface | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| JniConstants | Constants used with JNI type descriptors. | Class | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| JPackage | Represents a logical package. | Interface | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| JParameter | Represents a parameter in a declaration. | Interface | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| JParameterizedType | Represents a parameterized type in a declaration. | Interface | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| JPrimitiveType | enum JPrimitiveTypeextends java. | Class | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| JRawType | Represents a raw type; that is a generic type with no type arguments. | Interface | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| JRealClassType | Type representing a Java class or interface type that a user would declare. | Interface | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| JType | Super interface for types. | Interface | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| JTypeParameter | Represents one of the type parameters in a generic type. | Interface | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| JWildcardType | Represents a wildcard type argument to a parameterized type. | Interface | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| JWildcardType .BoundType | Type of wildcard bound. | Class | com.google.gwt.core.ext.typeinfo.JWildcardType | Google WebToolkit (GWT) |
| NotFoundException | Indicates that the requested type info element could not be found. | Class | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| ParseException | Indicates that a source declaration was not parsed successfully. | Class | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| TypeOracle | Provides type-related information about a set of source files. | Class | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |
| TypeOracleException | The superclass of exceptions thrown by TypeOracle. | Class | com.google.gwt.core.ext.typeinfo | Google WebToolkit (GWT) |