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/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	static Scanner sc = new Scanner(System.in);
	public static void main (String[] args) throws java.lang.Exception
	{
	int average = 0;
	int[] num =  new int[100];
	for(int i = 0; i < 100; i++){
		System.out.print("Enter: );
		num[i] = sc.nextInt();
		average = average + num[i]
	}
	System.out.print(average);
	}
}

Main.java:16: error: unclosed string literal
		System.out.print("Enter: );
		                 ^
Main.java:16: error: ';' expected
		System.out.print("Enter: );
		                           ^
Main.java:17: error: illegal start of expression
		num[i] = sc.nextInt();
		   ^
Main.java:17: error: ';' expected
		num[i] = sc.nextInt();
		     ^
Main.java:18: error: ';' expected
		average = average + num[i]
		                          ^
5 errors

Standard output is empty