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Computer Advanced Mapreduce Concepts Difficulty: Medium

Write a list comprehension for number and its cube for: l=[1, 2, 3, 4, 5, 6, 7, 8, 9] What is the primary functionality of the RODBC package in R? Given the following piece of code: class SalaryCalculationException extends Exception{} class Person{ public void calculateSalary() throws SalaryCalculationException{ //... throw new SalaryCalculationException(); //... } } class Company{ public void paySalaries(){ new Person().calculateSalary(); } } Which of the following statements is correct? 1. This code will compile without any problems. 2. This code will compile if in method paySalaries() we return a boolean in stead of void. 3. This code will compile if we add a try-catch block in paySalaries(). 4. This code will compile if we add throws SalaryCalculationException in the signature of method paySalaries(). What will be the output? public class Test{ public static void main(String args[]){ int i = 1; do{ i--; }while(i > 2); System.out.println(i); } } Function used for linear regression in R is . . . . . . . .