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/* package whatever; // don't place package name! */
package incremehts;
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
 
{
	public static void main (String[] args) throws java.lang.Exception
	{
	int a = 1; 
 
System.out.println(++a);
System.out.println(a++);
 
 
	}
}

Main.java:9: error: class, interface, or enum expected
{
^
Main.java:10: error: class, interface, or enum expected
	public static void main (String[] args) throws java.lang.Exception
	              ^
Main.java:14: error: class, interface, or enum expected
System.out.println(++a);
^
Main.java:15: error: class, interface, or enum expected
System.out.println(a++);
^
Main.java:18: error: class, interface, or enum expected
	}
	^
5 errors

Standard output is empty