Rewrite Programming Exercise 7.4 using streams. package Exercise_30_3; import java.util.Scanner; public class Original { publicstaticvoidmain(String[] args) { try (Scannerinput = newScanner(System.in)) { System.out.print("Enter scores: (negative number signifies end): "); int[] scores = newint[100]; intnum; intnumberOfScores; intaverage; numberOfScores = average = 0; for (inti = 0; i < 100; i++) { num = input.nextInt(); if (num < 0){ break; } scores[i] = num; average += num; numberOfScores++; } average /= numberOfScores; intaboveOrEqual; intbelow; aboveOrEqual = below = 0; for (inti = 0; i < numberOfScores; i++) { if (scores[i] >= average){ aboveOrEqual++; } else{ below++; } } System.out.println("\nAverage of scores: " + average); System.out.println("Number of scores above or equal to average: " + aboveOrEqual); System.out.println("Number of scores below average: " + below); } } }
Rewrite Programming Exercise 7.4 using streams. package Exercise_30_3; import java.util.Scanner; public class Original { publicstaticvoidmain(String[] args) { try (Scannerinput = newScanner(System.in)) { System.out.print("Enter scores: (negative number signifies end): "); int[] scores = newint[100]; intnum; intnumberOfScores; intaverage; numberOfScores = average = 0; for (inti = 0; i < 100; i++) { num = input.nextInt(); if (num < 0){ break; } scores[i] = num; average += num; numberOfScores++; } average /= numberOfScores; intaboveOrEqual; intbelow; aboveOrEqual = below = 0; for (inti = 0; i < numberOfScores; i++) { if (scores[i] >= average){ aboveOrEqual++; } else{ below++; } } System.out.println("\nAverage of scores: " + average); System.out.println("Number of scores above or equal to average: " + aboveOrEqual); System.out.println("Number of scores below average: " + below); } } }
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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Chapter 30 Exercise 30.3 (Analyze scores) Rewrite Programming Exercise 7.4 using streams.
package Exercise_30_3;
package Exercise_30_3;
import java.util.Scanner;
public class Original {
publicstaticvoidmain(String[] args) {
try (Scannerinput = newScanner(System.in)) {
System.out.print("Enter scores: (negative number signifies end): ");
int[] scores = newint[100];
intnum;
intnumberOfScores;
intaverage;
numberOfScores = average = 0;
for (inti = 0; i < 100; i++) {
num = input.nextInt();
if (num < 0){
break;
}
scores[i] = num;
average += num;
numberOfScores++;
}
average /= numberOfScores;
intaboveOrEqual;
intbelow;
aboveOrEqual = below = 0;
for (inti = 0; i < numberOfScores; i++) {
if (scores[i] >= average){
aboveOrEqual++;
}
else{
below++;
}
}
System.out.println("\nAverage of scores: " + average);
System.out.println("Number of scores above or equal to average: " + aboveOrEqual);
System.out.println("Number of scores below average: " + below);
}
}
}
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