Java Chapter 7 Test Questions and Answers|
100% Solved
A sequence of characters enclosed within double quotation marks is a _____. ✔️✔️literal string
To create a String object, you can use the keyword _____ before the constructor call, but you
are not required to use this format. ✔️✔️new
A String variable name is a _____ which is a variable that holds a memory address.
✔️✔️reference
The term that programmers use to describe objects that cannot be changed is _____.
✔️✔️immutable
Which of the following is not a commonly used Character method? ✔️✔️toUpper()
The Character class is defined in _____. ✔️✔️java.lang
The method that determines whether two String objects are equivalent, regardless of case, is
_____. ✔️✔️equalsIgnoreCase()
A String is an example of an object that can't be changed, also known as _____. ✔️✔️immutable
A String variable that does not yet hold a memory address is known as a(n) _____ String.
✔️✔️null
The actual length of the _____ is the capacity of the StringBuilder object. ✔️✔️buffer
, If String movie = new String("West Side Story");, the value of movie.indexOf(′s′) is _____. ✔️✔️2
The String class replace() method replaces _____. ✔️✔️every occurrence of a character in a
String with another characte
The toString() method converts a(n) _____ to a String. ✔️✔️all of the above:
float
b. char
d. in
Joining Strings with a '+' is called _____. ✔️✔️concatenation
The first position in a String _____. ✔️✔️is position zero
The method that extracts a string from within another string is _____. ✔️✔️substring()
The method parseInt() converts a(n) _____. ✔️✔️String to an integer
The difference between int and Integer is _____. ✔️✔️int is a primitive type; Integer is a class
For an alternative to the String class, and so you can change a String's contents, you can use
_____. ✔️✔️StringBuilder
Unlike when you create a String, when you create a StringBuilder, you must use the keyword
_____. ✔️✔️new
A String variable name is not a simple data type. ✔️✔️True
100% Solved
A sequence of characters enclosed within double quotation marks is a _____. ✔️✔️literal string
To create a String object, you can use the keyword _____ before the constructor call, but you
are not required to use this format. ✔️✔️new
A String variable name is a _____ which is a variable that holds a memory address.
✔️✔️reference
The term that programmers use to describe objects that cannot be changed is _____.
✔️✔️immutable
Which of the following is not a commonly used Character method? ✔️✔️toUpper()
The Character class is defined in _____. ✔️✔️java.lang
The method that determines whether two String objects are equivalent, regardless of case, is
_____. ✔️✔️equalsIgnoreCase()
A String is an example of an object that can't be changed, also known as _____. ✔️✔️immutable
A String variable that does not yet hold a memory address is known as a(n) _____ String.
✔️✔️null
The actual length of the _____ is the capacity of the StringBuilder object. ✔️✔️buffer
, If String movie = new String("West Side Story");, the value of movie.indexOf(′s′) is _____. ✔️✔️2
The String class replace() method replaces _____. ✔️✔️every occurrence of a character in a
String with another characte
The toString() method converts a(n) _____ to a String. ✔️✔️all of the above:
float
b. char
d. in
Joining Strings with a '+' is called _____. ✔️✔️concatenation
The first position in a String _____. ✔️✔️is position zero
The method that extracts a string from within another string is _____. ✔️✔️substring()
The method parseInt() converts a(n) _____. ✔️✔️String to an integer
The difference between int and Integer is _____. ✔️✔️int is a primitive type; Integer is a class
For an alternative to the String class, and so you can change a String's contents, you can use
_____. ✔️✔️StringBuilder
Unlike when you create a String, when you create a StringBuilder, you must use the keyword
_____. ✔️✔️new
A String variable name is not a simple data type. ✔️✔️True
