Exam 9: Text Processing and More About Wrapper Classes

Given the following, which of the statements below is not true? str.insert(8, 32);

What is the value of str after the following code has been executed? String str; String sourceStr = "Hey diddle, diddle, the cat And the fiddle"; Str = sourceStr.substring(12,17);

What are the tokens in the following statement? StringTokenizer st = new StringTokenizer("9-14-2018", "-", true);

The String class's __________ method accepts a value of any primitive data type as its argument and returns a string representation of the value.

If a non-letter is passed to the toLowerCase or toUpperCase method, it is returned unchanged.

The __________ method of the String class can be used to tokenize a string.

The ________ character appears at the end (the right side) of a string, after the non-space characters.

StringBuilder objects are not immutable.

The no-arg constructor for a StringBuilder object gives the object enough storage space to hold __________ characters.

The term ________ commonly is used to refer to a string that is part of another string.

The StringBuilder class's insert method allows you to insert a(n) __________ into the calling object's string.

Each of the numeric wrapper classes has a static ________ method that converts a number to a string.

In the following code, how many times will the for loop execute? String str = ("Ben and Jerry's ice cream is great."); String[ ] tokens = str.split(" "); For (String s : tokens) System.out.println(s);

What would be the results of executing the following code? StringBuilder str = new StringBuilder("Little Jack Horner "); Str)append("sat on the "); Str)append("corner");

The following statement correctly creates a StringBuilder object. StringBuilder str = "Tuna sandwich";

Trying to extract more tokens than exist from a StringTokenizer object will cause an error.

The String class's valueOf method accepts a string representation as an argument and returns its equivalent integer value.

What are the tokens in the following code? String str = "123-456-7890"; String[ ] tokens = str.split("-");

Which of the following statements will display the maximum value that a double can hold?

The process of converting a wrapper class object to a primitive type is known as __________.