Java Exercises: Compute the area of a hexagon
Java Basic: Exercise-34 with Solution
Write a Java program to compute the area of a hexagon.
Test Data:
Input the length of a side of the hexagon: 6
Pictorial Presentation: Area of Hexagon

Sample Solution:
Java Code:
import java.util.Scanner;
public class Exercise34 {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("Input the length of a side of the hexagon: ");
double s = input.nextDouble();
System.out.print("The area of the hexagon is: " + hexagonArea(s)+"\n");
}
public static double hexagonArea(double s) {
return (6*(s*s))/(4*Math.tan(Math.PI/6));
}
}
Sample Output:
Input the length of a side of the hexagon: 6 The area of the hexagon is: 93.53074360871938
Flowchart:

Java Code Editor:
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Next: Write a Java program to compute the area of a polygon.
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Java: Tips of the Day
countOccurrences
Counts the occurrences of a value in an array.
Use Arrays.stream().filter().count() to count total number of values that equals the specified value.
public static long countOccurrences(int[] numbers, int value) { return Arrays.stream(numbers) .filter(number -> number == value) .count(); }
Ref: https://bit.ly/3kCAgLb
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