FINAL/PersegiPanjang.java at master · Faturihsan/FINAL · GitHub

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import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;

public class PersegiPanjang extends Persegi{

    @Override
    public void luas() {
        // TODO Auto-generated method stub
        super.luas();
    }

    @Override
    void keliling() {
        // TODO Auto-generated method stub
        super.keliling();
    }

    // public void CreateFile(){

    //     try {
    //         File myObj = new File("persegipanjang.txt");
    //         if (myObj.createNewFile()) {
    //           System.out.println("File created: " + myObj.getName());
    //         } else {
    //           System.out.println("File already exists.");
    //         }
    //       } catch (IOException e) {
    //         System.out.println("An error occurred.");
    //         e.printStackTrace();
    //       }
    // }


    // public void writefile(){

    //     try {
    //         // FileWriter myWriter = new FileWriter("segitiga.txt");
    //         BufferedWriter buffer = new BufferedWriter( new FileWriter("persegipanjang.txt", true));
    //         buffer.write("Hasil Operasi Persegi Panjang adalah = " + Float.toString(hasil) + " cm/cm^2");
    //         buffer.newLine();
    //         buffer.close();
    //         System.out.println("Successfully wrote to the file.");
    //     } catch (IOException e) {
    //         System.out.println("An error occurred.");
    //         e.printStackTrace();
    //     }
    //   }
  }