Do you know what a string is? Do you think you can pass this string, string buffers, and its functions quiz? If you have an idea of how the string and the string buffer work and their respective functions, then this quiz will be easy for you to crack. So, try this quiz and get to test your knowledge today. Wishing you all the best for this test, and enjoy.
Multitasking
Multithreading
Exception handling
String comparision
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StringBuilder is synchronized, it offers faster performance than StringBuffer
StringBuilder is not synchronized, it offers faster performance than StringBuffer
StringBuilder is not synchronized, it offers slower performance than StringBuffer
StringBuilder is synchronized, it offers slower performance than StringBuffer
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Null
Positive
Negative
Zero
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True true true
True false false
True false true
False true true
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Append,trim,setCharAt,and replace
Append,insert,setCharAt,and reverse
Append,insert,getChars,and replace
Append,trim,getChars,and reverse
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True
False
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Hi smi
Hi sm
Smi
Ith
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NullCharacterException
NullParameterException
NullPointerException
NumberFormatException
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5
2
3
4
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7,10,7
8,12,8
7,11,7
8,11,8
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11
10
14
12
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Ergic th
Ergic Thu
Ergic Th
ErgicThu
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True
False
Error
None of these
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=
++
+=
==
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Returns current number of capacity
The string buffer is allocated atmost ‘n’ places
The string buffer is allocated atleast ‘n’ places
The string buffer is allocated some ‘n+1’ places
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Consistent
Symmetric
Null
Reflexive
Transitive
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Object state can be replaced
Object state can’t be replaced
Object state can’t be modified
Object state can be modified
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Reverse() is available in String
The content of StringBuffer can be expanded beyond their initial buffer size
The standard java.lang.StringTokenizer class is a special type of Enumeration that represents segments of a string, which may be separated by one or more "delimiters"
StringBuffer is a final class
String objects are immutable
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