Which of the following are methods of the java.util.SortedSet interface? : Questions « Utility Classes « SCJP

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SCJP » Utility Classes » Questions 
8.33.25.Which of the following are methods of the java.util.SortedSet interface?
A.      first
B.      last
C.      headSet
D.      tailSet
E.      subSet
8.33.Questions
8.33.1.Which of the calls modifies the string s?
8.33.2.Answer: string value
8.33.3.Which is the output of the following code?
8.33.4.Answer: compare two strings
8.33.5.You can subclass java.lang.Math to create your own class(True/False).
8.33.6.Answer: Math class and subclass
8.33.7.Which is the output of the following code fragment?
8.33.8.Answer: Math.cos
8.33.9.After execution of line 2, sbuf still references the same instance.
8.33.10.Answer: StringBuffer reference
8.33.11.What is the output of the following code(string literal comparision)?
8.33.12.Answer: string literal comparision
8.33.13.What is the output of the following code(string literal and reference)?
8.33.14.Answer: string literal and reference
8.33.15.Which of the following are legal Java statements?
8.33.16.Answer: Integer wrapper
8.33.17.Is it a legal statement: List theList = new Vector;
8.33.18.Answer: generic class
8.33.19.Which of the following are legal(enhanced while loop)?
8.33.20.Answer: enhanced while loop
8.33.21.What is the legal clone() methods when subclassing Object?
8.33.22.Answer: clone method
8.33.23.Which of the following classes implement java.util.List?
8.33.24.Answer: java.util.List inheritance
8.33.25.Which of the following are methods of the java.util.SortedSet interface?
8.33.26.Answer: java.util.SortedSet
8.33.27.Which line of code tells a scanner called sc to use a single digit as a delimiter?
8.33.28.Answer: Scanner class
8.33.29.What happens when you try to compile and run this application?
8.33.30.Answer: TreeSet
8.33.31.How to compare two arrays
8.33.32.Answer: java.util.Arrays
8.33.33.StringBuilder is generally faster than StringBuffer(True/False).
8.33.34.Answer: StringBuilder and StringBuffer
8.33.35.StringBuilder is threadsafe; StringBuffer is not(True/False).
8.33.36.Answer: StringBuilder and StringBuffer(2)
8.33.37.The Class class is the superclass of the Object class(True/False).
8.33.38.Answer: Class and Object
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