09_Quiz - for Fraction in Chapter 8 Use the following...

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AP Computer Science Name ____________________________ Quiz – Reading Chapter 9 Strings 15 points 1. How should the literal strings be written for the following outputs? Just the string not System.out…. 2pts each a. He said “Hello.” ______________________________________________ b. c:\jdk1.4.2\docs ______________________________________________ 2. Other than the constructor, String ( ), write a one line command that initiates str to an empty string. 4pts __________________________________________________________________ 3. True or False: Since strings change we need copy constructors similar to what we had 1 pt.
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Unformatted text preview: for Fraction in Chapter 8. Use the following string assignments to answer questions #4 – 9. (1 pt each) String s1 = “Leap” String s2 = “Year” String s3 = “Frog” String s4 = “Mississippi” 4. s1 + s2 _________________________________________________ 5. s1.concat(s3) ___________________________________________ 6. s3.length _______________________________________________ 7. s2.indexOf(‘e’) ________________________________________ 8. s2.indexOf(‘e’, 2) ________________________________________ 9. s4.lastIndexOf(‘i’) ________________________________________...
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