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| Pregunta | Respuesta |
| literal | A textual representation of a primitive value or object. For example, 'X' is a char literal, 4.237 is a double literal and "hello there!" is a String literal. |
| reference type variable | A variable declared to hold a reference to an object of the declared type (or a compatible type). Less formally we refer to a reference variable. |
| integrated development environment (IDE) | A software tool that supports the development, compilation and execution of computer programs. BlueJ is an example of an IDE that supports the development of programs in Java. |
| primitive data type | A set of values together with operations that can be performed on them. The primitive data types in Java provide a set of basic building blocks from which all of the more complex types of data can be built. Java’s primitive data types include int, char and boolean. |
| primitive type variable | A variable declared to hold a value of the declared or compatible primitive data type. Less formally we refer to a primitive variable. |
| primitive value | A value of some primitive type; for example, true, -1.3, 42, or 'x' are all primitive values of different primitive types. |
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