/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String txtNumeroParcelas = "4";
		String txtJuros = "23";
		String txtDesconto = "10";
		String txtValorVenda = "50";
 
		int numero_de_parcelas = Integer.parseInt(txtNumeroParcelas);
		float juros = Float.parseFloat(txtJuros);
		float desconto = Float.parseFloat(txtDesconto);
		float valor_da_venda = Float.parseFloat(txtValorVenda);
		float valor_da_parcela = valor_da_venda / numero_de_parcelas;
 
		//System.out.println(valor_da_parcela);
 
		float preco_parcelas = (valor_da_parcela+(valor_da_parcela*juros/100))-(valor_da_parcela*desconto/100);
		//mp.setPreco_total(Float.parseFloat(txtTotal.getText()));
 
		System.out.println(preco_parcelas);
	}
}

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