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import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class Volume {
private final static int count = 3;
public static void main(String[] args) {
StringBuffer sb = new StringBuffer();
for (int i = 0; i count; i++) {
sb.append(readString(i + 1));
sb.append("\n");
}
System.out.println(sb.toString());
}
//读取输入数据
private static String readString(int i) {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String volume = "";
try {
if (i == 1)
System.out.println("请输入第" + i + "个长方体的长宽高(请以*分隔每个参数，如：1*2*3):");
else
System.out.println("请输入第" + i + "个长方体的长宽高:");
do {
volume = countVolume(br.readLine().trim());
if ("".equals(volume)) {
System.out.println("您输入的参数错误（请以*分隔每个参数，如：1*2*3)，请检查后重新输入:");
}
} while ("".equals(volume));
volume = "第" + i + "个长方体的体积是:" + volume;
} catch (IOException e) {
e.printStackTrace();
}
return volume;
}
//计算体积
private static String countVolume(String str) {
String[] volumeInfo = str.replaceAll("×", "*").replaceAll("＊", "*").split("\\*");
long length = 0;
long width = 0;
long height = 0;
if (volumeInfo.length == 3) {
length = Long.parseLong(volumeInfo[0]);
width = Long.parseLong(volumeInfo[1]);
height = Long.parseLong(volumeInfo[2]);
return String.valueOf((length * width * height));
} else {
return "";
}
}
}
import java.util.Scanner;
public class Box {
int lenght ;
int width ;
int height ;
public int getVolume(int lenght,int width,int height) {
int volume = 0 ;
volume = lenght * width * height ;
return volume ;
}
public static void main(String[] args) {
Box box = new Box() ;
Scanner sc = new Scanner(System.in);
System.out.println("请输入长：") ;
int lenght = sc.nextInt() ;
System.out.println("请输入宽：") ;
int width = sc.nextInt() ;
System.out.println("请输入高：") ;
int height = sc.nextInt() ;
System.out.print("该长方体体积为："+box.getVolume(lenght, width, height)) ;
}
}
import java.util.Scanner;
public class Du2 {
public static void main(String args[]) {
//第一个长繁体
double[] ary = getCuboidLengthFromInput();
printCuboidAreaAndCubage(ary);
//第二个长方体
double[] ary2 = getCuboidLengthFromInput();
printCuboidAreaAndCubage(ary2);
////第3个长方体
double[] ary3 = getCuboidLengthFromInput();
printCuboidAreaAndCubage(ary3);
}
private static void printCuboidAreaAndCubage(double[] ary) {
Cuboid first = new Cuboid(ary[0], ary[1], ary[2]);
double area = first.getArea();
double cubage = first.getCubage();
System.out.println("长方体的表面积为: " + area);
System.out.println("长方体的体积为：" + cubage);
System.out.println();
}
private static double[] getCuboidLengthFromInput() {
Scanner scanner = new Scanner(System.in);
System.out.print("请输入长方体的长：");
double length = scanner.nextDouble();
System.out.print("请输入长方体的宽：");
double width = scanner.nextDouble();
System.out.print("请输入长方体的高：");
double height = scanner.nextDouble();
double[] ary = {length, width, height};
return ary;
}
}
class Cuboid{//长方体类
private double length;//长
private double width;//宽
private double height;//高
public Cuboid(double length, double width, double height){
this.length = length;
this.width = width;
this.height = height;
}
public double getArea(){
return 2 * (length * width + length * height + width * height);
}
public double getCubage(){
return length * width * height;
}
}
-----------------------
请输入长方体的长：2
请输入长方体的宽：4
请输入长方体的高：5
长方体的表面积为: 76.0
长方体的体积为：40.0
请输入长方体的长：5
请输入长方体的宽：8
请输入长方体的高：20
长方体的表面积为: 600.0
长方体的体积为：800.0
请输入长方体的长：3
请输入长方体的宽：6
请输入长方体的高：9
长方体的表面积为: 198.0
长方体的体积为：162.0
//主要代码 System.out.print("长：") double num1=input.nextDouble(); //代码太多以后简写System...("宽："); double num2=.... System....("高：")double num3=.... System...("表:"+(num1*num2+num1*num3+num2*num3)*2+" 体积："+n1*n2*n3)//打字不容易求给分
