Test
Java Section D
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Preguntas del test (4)
1Variables [blank_start]must be declared[blank_end] before they can be used. If the compiler encounters a statement that uses a variable before the variable is declared, an error will result.
- Amust be declared
2The [blank_start]equal sign[blank_end] is an operator that stores the value on its right ( in this case, 5) into the variable named on its left. After this line executes, the value variable will contain the value 5. At this point, the number 5 the number 5 is stored in memory in a variable called a value.
- Aequal sign
3Variables are classified according to their [blank_start]data type[blank_end]. The data type determines the kind of data that may be stored in the [blank_start]variable[blank_end]. Selecting the proper data type is important because a variables data type determines the amount of memory the variable uses, as well as the way the variable formats and stores data.
- Adata type
- Bvariable
4There are eight primitive types. In addition to the seven listed in the table referred to above is the [blank_start]Boolean type[blank_end], which is useful for evaluating true/false conditions.
- ABoolean type
Información
- Descripción
- Information Technology Test sobre Java Section D, creado por jessica cardoso el 18/05/2017.
- Autor
- jessica cardoso
- Idioma
- English
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- 1
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