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L9: Packages and Random Name_______________________________ LEQ: How do you create a Random Generator object? 1. Activating Strategy Online: Read Notes 9.0-Prologue. The entire standard java library is known as the Java ____________ or Java _____________ 2. Online: Read notes 9.1 and answer the questions below: 1. What is each class in the Java standard class library a part of? 2. What package is the String class part of? 3. Which package is automatically imported into every Java program? 4. What 2 packages contain classes for doing GUI development? 3. Online: Read notes 9.2 and answer the questions below: 1. What is the purpose of the import declaration? 2. Write a line of code to import all classes from the java.awt package. 4. Online: Read notes 9.3 and answer the questions below: 1. What is the purpose of the Random Class? 2. Write a line of code to create a Random Number object called rand. 3. Given a Random object called generator, what does the call generator.nextInt( ) return? 4. What is the range of numbers produced by the following expressions: A. generator.nextInt(50); B. generator.nextInt(5) + 10; C. generator.nextInt(10) + 5; D. generator.nextInt(50) - 25; 5. Write a line of code that will produce the given range of numbers below (ie: the reverse of question 4 above). A. 0 to 30 B. 10 to 19 C. -5 to 5 L9 cont’d… 5. Online: Lab 2 – Random Numbers 6. Answer LEQ: How do you create a random generator object? Create a random generator object named generator. ________________ ______________________ = __________ ______________________________( ); Get the next random integer and store in a local variable named randomNum _________ ______________________ = ______________________________________________________ Page 2