import java.io.*; import java.util.*; public class ex10 { public static void mai

Question

import java.io.*;
import java.util.*;

public class ex10
{
public static void main(String[] args) throws IOException
{
   int[] age = null;
   String[] name = null;
   int total =0;
  
  
   age = new int[total];
   name = new String[total];
  
   Scanner keyboard = new Scanner(System.in);
  
   System.out.println("how many students are in yourclass? ");
   total = keyboard.nextInt();
  
   for(int i = 0; i < total; ++i)
   {
    System.out.println("[" +(i+1)+ "]"+ "people'sname is:   ");
    name[i] = keyboard.next();
   
    System.out.println("["+ (i+1) +"]people's ageis:    ");
    age[i] = keyboard.nextInt();
   
   }
  
  
  
   for(int i = 0; i< total; ++i)
   {
    System.out.println(i);
   }
            
}

}

Explanation / Answer

please rate - thanks import java.io.*; import java.util.*; public class ex10 { public static void main(String[] args) throws IOException {    int[] age = null;    String[] name = null;    int total =0;        Scanner keyboard = new Scanner(System.in);    System.out.println("how many students are in yourclass? ");    total = keyboard.nextInt();    age = new int[total];    name = new String[total];    for(int i = 0; i

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