第六題

import java.io.*;
import java.util.*;
import java.awt.geom.Point2D;
/*此程式使用 9513060003(1).txt輸入*/


class Six {

public static void main (String args[]) {

String thisLine;

for (int i=0; i < args.length; i++) {

try {
FileInputStream fin = new FileInputStream(args[i]);

try {
DataInputStream myInput = new DataInputStream(fin);

try {
while ((thisLine = myInput.readLine()) != null) {
StringTokenizer st = new StringTokenizer(thisLine, " ,");
double p1n, p1e, p2n, p2e, p3n, p3e, p4n, p4e, p5n, p5e, sum;

p1n = Double.parseDouble(st.nextToken());
System.out.println("第一點北緯UTM：" + p1n);
p1e = Double.parseDouble(st.nextToken());
System.out.println("第一點東經UTM：" + p1e);
p2n = Double.parseDouble(st.nextToken());
System.out.println("第二點北緯UTM：" + p2n);
p2e = Double.parseDouble(st.nextToken());
System.out.println("第二點東經UTM：" + p2e);
p3n = Double.parseDouble(st.nextToken());
System.out.println("第三點北緯UTM：" + p3n);
p3e = Double.parseDouble(st.nextToken());
System.out.println("第三點東經UTM：" + p3e);
p4n = Double.parseDouble(st.nextToken());
System.out.println("第四點北緯UTM：" + p4n);
p4e = Double.parseDouble(st.nextToken());
System.out.println("第四點東經UTM：" + p4e);
p5n = Double.parseDouble(st.nextToken());
System.out.println("第五點北緯UTM：" + p5n);
p5e = Double.parseDouble(st.nextToken());
System.out.println("第五點東經UTM：" + p5e);

Point2D.Double p1 = new Point2D.Double(p1n, p1e);
Point2D.Double p2 = new Point2D.Double(p2n, p2e);
Point2D.Double p3 = new Point2D.Double(p3n, p3e);
Point2D.Double p4 = new Point2D.Double(p4n, p4e);
Point2D.Double p5 = new Point2D.Double(p5n, p5e);

System.out.println("P1到P2的距離: " + p1.distance(p2) + "公尺");
System.out.println("P2到P3的距離: " + p2.distance(p3) + "公尺");
System.out.println("P3到P4的距離: " + p3.distance(p4) + "公尺");
System.out.println("P4到P5的距離: " + p4.distance(p5) + "公尺");

sum = p1.distance(p2) + p2.distance(p3) + p3.distance(p4) + p4.distance(p5);
System.out.println("五點距離總和: " + sum + "公尺");

}

}
catch (Exception e) {
System.err.println("Error: " + e);
}
}
catch (Exception e) {
System.err.println("Error: " + e);
}

}
catch (Exception e) {
System.err.println("failed to open file " + args[i]);
System.err.println("Error: " + e);
}
}


}
}