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Copy pathhitungLingkaran.java
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54 lines (31 loc) · 1.42 KB
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import java.io.IOException;
import java.util.Scanner;
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
public class hitungLingkaran {
Scanner masukkanR = new Scanner (System.in);
//Deklarasi nilai
double phi = 3.14;
double r;
double hasilLuas;
double kelilingLingkaran;
//input jari-jari lingkaran
public double hitungLingkaran() throws IOException{
System.out.println("Selamat datang di penghitungan lingkaran ");
System.out.print("Masukkan jari- jari lingkaran :");
r=masukkanR.nextInt();
//menghitung luas lingkaran rumusnya phi*r*r
hasilLuas = phi* r *r;
System.out.println("hasil luas lingkaran");
return hasilLuas;
}
public static void main(String[] args)throws IOException{
hitungLingkaran luas = new hitungLingkaran();
System.out.println(luas.hitungLingkaran());
kelilingLingkaran keliling = new kelilingLingkaran();
System.out.println(keliling.kelilingLingkaran());
}
}