package test;
import java.math.BigDecimal;
public class test1 {
public static void main(String[] args) {
int[] project1=new int[]{-100000,10000,10000,10000,20000,100000};
int[] project2=new int[]{-1000000,200000,200000,200000,200000,300000};
int[] project3=new int[]{-100000,30000,30000,30000,30000,30000};
int[] project4=new int[]{-120000,30000,30000,30000,30000,75000};
double[] tiexian=new double[]{0.08,0.12};
double[][] b=new double[2][6];
//int project1result1=jia(project1,tiexian);
for(int j=0;j<2;j++){
for(int i=0;i<6;i++){
b[j][i]=1/Math.pow((tiexian[j]+1), i);
BigDecimal t = new BigDecimal(b[j][i]);
b[j][i]=t.setScale(4, BigDecimal.ROUND_HALF_UP).doubleValue();
}
}
for(int j=0;j<2;j++){
for(int i=0;i<6;i++){
if(j==0){
System.out.println("第"+i+"年"+"贴现率8%的贴现因子"+b[j][i]);
}else{
System.out.println("第"+i+"年"+"贴现率12%的贴现因子"+b[j][i]);
}
}
}
int[] project1result1=doit(project1,b);System.out.println("项目1中贴现率8%的净现值:"+project1result1[0]+" 贴现率12%的净现值:"+project1result1[1]);
int[] project1result2=doit(project2,b);System.out.println("项目2中贴现率8%的净现值:"+project1result2[0]+" 贴现率12%的净现值:"+project1result2[1]);
int[] project1result3=doit(project3,b);System.out.println("项目3中贴现率8%的净现值:"+project1result3[0]+" 贴现率12%的净现值:"+project1result3[1]);
int[] project1result4=doit(project4,b);System.out.println("项目4中贴现率8%的净现值:"+project1result4[0]+" 贴现率12%的净现值:"+project1result4[1]);
}
static int[] doit(int[] a, double[][] b){
int[] p=new int[2];
for(int j=0;j<2;j++){
int temp=0;
for(int i=0;i<6;i++){
temp=(int)(temp+a[i]*b[j][i]);
System.out.println(temp+"-----");
}
p[j]=temp;
}
//System.out.println("8%的净现值:"+p[0]+" 12%的净现值:"+p[1]);
return p;
}
}