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luas
//'main' method must be in a class 'Rextester'. //openjdk version '11.0.5' import java.util.*; import java.lang.*; //Auth : Praditya Lutvi Charisma class Rextester{ public static void main(String args[]) { Lingkaran lingkaran = new Lingkaran(14); PersegiPanjang persegiPanjang = new PersegiPanjang(6,10); Segitiga segitiga = new Segitiga(12,16); System.out.println("1. Lingkaran"); System.out.println("Jari Jari :"+lingkaran.getJariJari()); System.out.printf("Luas : \t%.2f \n",lingkaran.getLuas()); System.out.println(); System.out.println("2. Persegi Panjang"); System.out.println("Panjang :"+persegiPanjang.getPanjang()); System.out.println("Lebar :"+persegiPanjang.getLebar()); System.out.println("Luas : \t "+persegiPanjang.getLuas()); System.out.println(); System.out.println("3. Segitiga"); System.out.println("Alas :"+segitiga.getAlas()); System.out.println("Tinggi :"+segitiga.getTinggi()); System.out.println("Luas : \t "+segitiga.getLuas()); } } class Lingkaran{ double jariJari; public Lingkaran(){ jariJari = 0; } public Lingkaran(double jariJari){ this.jariJari = jariJari; } public double getJariJari() { return jariJari; } public void setJariJari(double jariJari) { this.jariJari = jariJari; } public double getLuas(){ double luas=0; luas = Math.PI * jariJari * jariJari; return luas; } } class PersegiPanjang{ double panjang, lebar; public PersegiPanjang() { panjang = 0; lebar = 0; } public PersegiPanjang(double panjang, double lebar) { this.panjang = panjang; this.lebar = lebar; } public double getPanjang() { return panjang; } public void setPanjang(double panjang) { this.panjang = panjang; } public double getLebar() { return lebar; } public void setLebar(double lebar) { this.lebar = lebar; } public double getLuas(){ double luas=0; luas = panjang * lebar; return luas; } } class Segitiga{ double alas, tinggi; public Segitiga() { alas =0; tinggi=0; } public Segitiga(double alas, double tinggi) { this.alas = alas; this.tinggi = tinggi; } public double getAlas() { return alas; } public void setAlas(double alas) { this.alas = alas; } public double getTinggi() { return tinggi; } public void setTinggi(double tinggi) { this.tinggi = tinggi; } public double getLuas(){ double luas =0; luas = 0.5 * alas * tinggi; return luas; } }
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Sample for https://stackoverflow.com/a/49984959/4216641
currency.java
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