package zirijian; public class Avg3{ public static void main(String[] args){ int a=2,b=3,c=5; float avg; avg=(a+b+c)/3; System.out.print("3个整数的平均数为:"+avg); }孩子,这里不是百度知道,希望你不要老是拿如此简单的题目上来问
之前那3个数字要换成float型,我弄错了,见谅
//仅供参考 public class Main { public static void main(String[] args) { int a=2,b=3,c=5; float avg; avg=(a+b+c)/3; System.out.println(a+","+b+","+c+"的平均数为:"+avg); avg=(float)(a+b+c)/3; System.out.println(a+","+b+","+c+"的平均数为:"+avg); } }
import java.io.*; public class project2 {
public static void main(String[] args) throws IOException {
int i1=Integer.parseInt(s); System.out.println("第一个数是:"+i1);
System.out.println("请输入第二个数:");
int i2=Integer.parseInt(br.readLine());
System.out.println("第二个数是:"+i2);
System.out.println("请输入第三个数:");
int i3=Integer.parseInt(br.readLine()); System.out.println("第三个数是:"+i3) ; System.out.println("这三个数的平均值是:"+(i1+i2+i3)/3); {
{
public class Main { public static void main(String[] args) { int a=2,b=3,c=5; float avg; avg=(a+b+c)/3; System.out.println(a+","+b+","+c+"的平均数为:"+avg); avg=(float)(a+b+c)/3; System.out.println(a+","+b+","+c+"的平均数为:"+avg); } }
考虑到参数的灵活性,用scanner:package Test;import java.util.Scanner;public class Avg { public static void main(String[] args) { int [] s = new int[3]; for (int i = 0; i < 3; i++) { System.out.println("请输入第" + (i+1) + "个整数"); Scanner sc = new Scanner(System.in); int n = Integer.valueOf(sc.nextInt()); s[i] = n; } double avg = (s[0] + s[1] + s[2])/3; System.out.print(avg ); }}
public class Avg3{
public static void main(String[] args){
int a=2,b=3,c=5;
float avg;
avg=(a+b+c)/3;
System.out.print("3个整数的平均数为:"+avg);
}孩子,这里不是百度知道,希望你不要老是拿如此简单的题目上来问
//仅供参考
public class Main
{
public static void main(String[] args)
{
int a=2,b=3,c=5;
float avg;
avg=(a+b+c)/3;
System.out.println(a+","+b+","+c+"的平均数为:"+avg);
avg=(float)(a+b+c)/3;
System.out.println(a+","+b+","+c+"的平均数为:"+avg);
}
}
public class project2 {
public static void main(String[] args) throws IOException
{
// TODO, add your application code
System.out.println("Hello World!");
InputStreamReader isr=new InputStreamReader(System.in);
BufferedReader br=new BufferedReader(isr);
System.out.println("请输入第一个数:");
String s=br.readLine();
int i1=Integer.parseInt(s); System.out.println("第一个数是:"+i1);
System.out.println("请输入第二个数:");
int i2=Integer.parseInt(br.readLine());
System.out.println("第二个数是:"+i2);
System.out.println("请输入第三个数:");
int i3=Integer.parseInt(br.readLine()); System.out.println("第三个数是:"+i3) ; System.out.println("这三个数的平均值是:"+(i1+i2+i3)/3);
{
{
{
public static void main(String[] args)
{
int a=2,b=3,c=5;
float avg;
avg=(a+b+c)/3;
System.out.println(a+","+b+","+c+"的平均数为:"+avg);
avg=(float)(a+b+c)/3;
System.out.println(a+","+b+","+c+"的平均数为:"+avg);
}
}
{ public static void main(String[] args)
{
int [] s = new int[3];
for (int i = 0; i < 3; i++)
{
System.out.println("请输入第" + (i+1) + "个整数");
Scanner sc = new Scanner(System.in);
int n = Integer.valueOf(sc.nextInt());
s[i] = n;
}
double avg = (s[0] + s[1] + s[2])/3;
System.out.print(avg );
}}