Question # 01: 1. Show the output of the following code. What is the output if x-3 and y-2? What is the output if x-2 and y-2? if (x > 2) { if (y > 2) { z=x+y; } System.out.println("z is " + z); else System.out.println("x is " + x); 2. Suppose that s1, s2, and s3 are three strings, given as follows: String sl="Welcome to Java"; String s2 - "Programming is fun"; String s3= "Welcome to Java"; What are the results of the following expressions? 1- s1.equals(s2) 2- s1.indexOf(j') Stroke

Question # 01: 1. Show the output of the following code. What is the output if x-3 and y-2? What is the output if x-2 and y-2? if (x > 2) { if (y > 2) { z=x+y; } System.out.println("z is " + z); else System.out.println("x is " + x); 2. Suppose that s1, s2, and s3 are three strings, given as follows: String sl="Welcome to Java"; String s2 - "Programming is fun"; String s3= "Welcome to Java"; What are the results of the following expressions? 1- s1.equals(s2) 2- s1.indexOf(j') Stroke

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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Variables and Constant

Constants and variables are widely used in mathematical equations and expressions. They are also commonly found in the domain of programming, where each language has its own way to differentiate between a constant and a variable. Since they have all sorts of applications, knowing their differences is a good place to start.

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