19. Which is the correct variable name in Java? a. +AB b. 123AB C.AB_CD d.AB* 20. What is the output of the following java code? String Y = "COLLEGE"; System.out.println (Y.indexOf('L')); a.5 b.2 c.1 d.6

19. Which is the correct variable name in Java? a. +AB b. 123AB C.AB_CD d.AB* 20. What is the output of the following java code? String Y = "COLLEGE"; System.out.println (Y.indexOf('L')); a.5 b.2 c.1 d.6

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

19. Which is the correct variable name in Java?
a. +AB
b. 123AB
C.AB_CD
d.AB*
20. What is the output of the following java code?
String Y = "COLLEGE";
System.out.println (Y.indexOf('L'));
a.5
b.2
c.1
d.6

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