Test
Week 5 Practice Quiz
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Preguntas del test (15)
1Two ways of concatenating two Strings are:
- AUse the concat() method or use the + between the two Strings
- BUse the concatenate() method or use the + between the two Strings
- CUse the contenate() method or the concat() method
- DUse the concat() method or the trim() method
2What will be the value of loc after the following code is executed?
int loc;
String str = "The cow jumped over the moon.";
loc = str.indexOf("ov");- A15
- B16
- C17
- D18
3When you are writing a program with String objects that may have unwanted spaces at the beginning or end of the strings, use this method to delete them.
- Areplace
- Btrim
- CvalueOf
- Dsubstring
4When using the StringBuilder class's insert method, you can insert:
- Aany primitive type
- Ba String object
- Ca char array
- DAll of these
5The term ________ commonly is used to refer to a string that is part of another string.
- Astrand
- Bsubstring
- Ccharacter fragment
- Dnested string
6This character is one that appears at the end, or right side, of a string, after the non-space characters:
- ALeading whitespace
- BCarriage return
- CTrailing whitespace
- DLine feed
7What is the term used for the character that separates tokens?
- Atokenizer
- Bdelimiter
- Cwhitespace
- Dseparator
8What will be the tokens for the following code?
String str = "123-456-7890";
String[] tokens = str.split("-");- A123, 456, and 7890
- B-
- C123, 456, 7890, and -
- DNone of these
9A protected member of a class may be directly accessed by:
- Amethods of the same class
- Bmethods of a subclass
- Cmethods in the same package
- DAll of these
10A subclass can directly access:
- Aall members of the superclass
- Bonly public and private members of the superclass
- Conly protected and private members of the superclass
- Donly public and protected members of the superclass
11If ClassA extends ClassB, then:
- Apublic and private members of ClassB are public and private, respectively, in ClassA
- Bpublic members in ClassB are public in ClassA, but private members in ClassB cannot be directly accessed in ClassA
- Cneither public or private members in ClassB can be directly accessed in ClassA
- Dprivate members in ClassB are changed to protected members in ClassA
12In an inheritance relationship:
- AThe superclass constructor always executes before the subclass constructor
- BThe subclass constructor always executes before the superclass constructor
- CThe constructor with the lowest overhead always executes first regardless of inheritance
- DThe unified constructor always executes first regardless of inheritance
13In an inheritance relationship:
- AThe superclass constructor always executes before the subclass constructor
- BThe subclass constructor always executes before the superclass constructor
- CThe constructor with the lowest overhead always executes first regardless of inheritance
- DThe unified constructor always executes first regardless of inheritance
14Like a family tree, a ________ shows the inheritance relationship between classes.
- Aflowchart
- Bclass map
- Cclass hierarchy
- Dbinary tree
15Protected members are:
- Anot quite private
- Bnot quite public
- Cboth not quite private and not quite public
- Dneither not quite private nor not quite public
Información
- Descripción
- CPSI 1413 Test sobre Week 5 Practice Quiz, creado por Adam Peterson el 11/03/2019.
- Autor
- Adam Peterson
- Idioma
- English
- Visitas
- 2
- Etiquetas
- Valoración
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