BilanganToKalimat.java

import java.util.ArrayList;
import java.util.HashMap;

import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.TextField;
import javafx.scene.layout.AnchorPane;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.scene.text.Text;
import javafx.stage.Stage;


public class BilanganToKalimat extends Application{
	
	public String  printBilanganToKalimat(int a ){
		
		HashMap<Integer, String> map1 = new HashMap<>(); 
		map1.put(1, "satu"); 
		map1.put(2, "dua");
		map1.put(3, "tiga"); 
		map1.put(4, "empat"); 
		map1.put(5, "lima"); 
		map1.put(6, "enam"); 
		map1.put(7, "tujuh"); 
		map1.put(8, "delapan"); 
		map1.put(9, "sembilan"); 
		map1.put( 0 , ""); 
		
		HashMap<Integer, String> map2 = new HashMap<>();
		map2.put(0 , "" ); 
		map2.put(1, "puluh" ); 
		map2.put(2, "ratus" ); 
		map2.put(3, "ribu" ); 
		map2.put(4, "puluh ribu" ); 
		map2.put(5, "ratus ribu" ); 
		map2.put(6, "juta"); 
		map2.put(7, "puluh juta");
		map2.put(8, "ratus juta"); 
		map2.put(9, "miliar"); 
		map2.put(10, "puluh miliar"); 
		map2.put(11, "ratus miliar"); 
		
		
		int m, n; 
		String st = Integer.toString(a); 
		n = m = st.length() - 1;  
		
		StringBuilder builder = new StringBuilder(); 

		ArrayList<String> lst = new ArrayList<>(); 
		
		while( n >=0  ){
			int c =  st.codePointAt(n); 
			c = c - 48; 
			builder.append(map1.get(c)); 
			builder.append(" "); 
			
			if( c!= 0){
				String sebutan = map2.get(m - n); 
				String[] sss = sebutan.split("\\s"); 
				if(sss.length == 2){
					if(!lst.contains(sss[sss.length - 1])){
						builder.append(sebutan); 
						lst.add(sss[sss.length - 1]); 
					}else{
						for( int j = 0; j < sss.length - 1; j++)
							builder.append(sss[j] + " "); 
					}
				}else{
					builder.append(sebutan); 
					lst.add(sebutan); 
				}
				
				builder.append("_");  
			}
			n--; 
		}
		
		String temp[] = builder.toString().split("\\_"); 
		StringBuilder bt = new StringBuilder();
		for( int i = temp.length - 1; i>= 0; i-- ){
			bt.append(temp[i]); 
			bt.append(" ") ; 
		}
	 	return bt. toString(); 
	}
	
	public static void main(String[] args){
		launch(args);
	}

	@Override
	public void start(Stage primaryStage) throws Exception {
		
		AnchorPane pane = new AnchorPane(); 
		pane.setPrefSize(400, 400); 
		primaryStage.setScene(new Scene(pane));
		
		primaryStage.show();
		initLayout(pane);	
	}
	
	Text area = new Text(); 
	
	private void initLayout(AnchorPane pane){
		
		VBox box = new VBox(); 
		box.setSpacing(10);
		
		TextField input = new TextField(); 
		input.setPrefSize(150, 30); 
		box.getChildren().add(input) ; 
		
		
		Button button = new Button("CONVERT"); 
		button.setPrefSize(150, 30); 

		button.setOnAction(new EventHandler<ActionEvent>() {
			@Override
			public void handle(ActionEvent arg0) {
				String c = input.getText(); 
				try{
					int a = Integer.parseInt(c); 
					String hasil = printBilanganToKalimat(a); 
					
					area.setText(hasil);
					
				}catch(Exception e){}
			}
		});
		
		box.getChildren().add(button); 

		HBox hbox = new HBox(); 
		hbox.setTranslateX(5);
		hbox.setTranslateY(5); 
		hbox.setSpacing(10);
		hbox.getChildren().add(box); 
		
		box.getChildren().add(area);  
		
		pane.getChildren().add(hbox); 
		
	}
}