跪求大神榮光 回答下面的機(jī)器人的JAVA代碼

import java.text.DecimalFormat;

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import java.util.ArrayList;

import java.util.List;

import java.util.Scanner;

public class WalkDistance {

public static void main(String[] args) {

Scanner in = new Scanner(System.in);

int n = in.nextInt();

for (int i = 0; i n; i++) {

String order = in.next();

System.out.println(new DecimalFormat("0.00").format(calDistance(order)));

}

in.close();

}

private static float calDistance(String order) {

char[] orderChar = order.toCharArray();

ListString orderList = new ArrayListString();

int num = 0;

for (int i = 0, len = orderChar.length; i len; i++) {

if (orderChar[i] = '0' orderChar[i] = '9') {

num++;

} else {

if (num == 0) {

orderList.add(String.valueOf(orderChar[i]));

} else {

StringBuffer sb = new StringBuffer();

for (int j = num; j 0; j--) {

sb.append(String.valueOf(orderChar[i - j]));

}

orderList.add(sb.toString());

orderList.add(String.valueOf(orderChar[i]));

num = 0;

}

}

if (i == len - 1 num != 0) {

StringBuffer sb = new StringBuffer();

for (int j = num - 1; j = 0; j--) {

sb.append(String.valueOf(orderChar[i - j]));

}

orderList.add(sb.toString());

}

}

Point curPoint = new Point(0, 0, 90);

for (int i = 0, len = orderList.size(); i len; i++) {

if ("R".equals(orderList.get(i))) {

curPoint.angle = (curPoint.angle - 90 + 360) % 360;

} else if ("L".equals(orderList.get(i))) {

curPoint.angle = (curPoint.angle + 90) % 360;

} else {

curPoint.setLocation(curPoint, orderList.get(i));

}

}

return curPoint.getDis();

}

static class Point {

private int x;

private int y;

private int angle;

private float dis;

public Point(int x, int y, int angle) {

this.x = x;

this.y = y;

this.angle = angle;

this.dis = (float) 0;

}

public void setLocation(Point point, String distance) {

if (point.angle == 0) {

point.x += Integer.valueOf(distance);

} else if (point.angle == 90) {

point.y += Integer.valueOf(distance);

} else if (point.angle == 180) {

point.x -= Integer.valueOf(distance);

} else {

point.y -= Integer.valueOf(distance);

}

}

public float getDis() {

return (float) Math.sqrt(this.x * this.x + this.y * this.y);

}

}

}

卡雷爾機(jī)器人學(xué)java的問題

其實(shí)卡雷爾你不怎么需要知道他的概念，他只是讓你知道什么是程序指令，是幫助你進(jìn)入JAVA的東西。 ~

下載了卡雷爾機(jī)器人，導(dǎo)入eclipse中運(yùn)行不了!!

運(yùn)行啊，點(diǎn)擊那個奔跑的人形狀。不過先要導(dǎo)入Assignment，點(diǎn)擊import

projects，選擇Assignment路徑。慢慢摸索一下，應(yīng)該可以的。