Answered: Help me modify my MaxSentinel Java…

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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Help me modify my MaxSentinel Java Program(Attached image & Pasted Java Code) into a new program called MaximumSent...

1. Check for valid first entry. Then allow the user to enter as many numbers as desired.

2. If invalid number entered, print "Invalid entry." Prompt the user again until a valid number is entered.

3. Once -1 is entered, program stops and prints the largest number entered.

Submit final code.

JAVA CODE for MaxSentinel, has been pasted below: (also view attached images)

import java.util.Scanner;

public class MaxSentinel
{
public static void main(String[] args) {
Scanner input=new Scanner(System.in);
int num=0,max=-1;
System.out.print("Enter positive integers(-1 to stop):");
num=input.nextInt();
while(num!=-1)
{
if(num>max)
max=num;
System.out.print("Enter positive integers(-1 to stop):");
num=input.nextInt();
}
System.out.println("Largest number: "+max);
}
}

Result
compiled and executed in 15.966 sec(s)
Enter positive integers(-1 to stop):5
Enter positive integers(-1 to stop):66
Enter positive integers(-1 to stop): 2
Enter positive integers(-1 to stop):5
Enter positive integers(-1 to stop):-1
Largest number: 66
|
Execute
***
*

Project Name: MaxSentinel
1 import java.util.Scanner;
2
m & in 60 MISC98
3
4- {
5▾ public static void main(String[] args) {
Scanner input-new Scanner(System.in);
7
10
11 -
نانا
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13
14
15
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public class MaxSentinel
18
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int num=0,max=-1;
System.out.print("Enter positive integers (-1 to stop): ");
num=input.nextInt ();
while (num!=-1)
{
if(num>max)
max=num;
System.out.print("Enter positive integers (-1 to stop): ");
num=input.nextInt ();
System.out.println("Largest number: "+max);
}

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