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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
{
	public class Loops {     public static void main(String[] args) {         for (int i = 1; i <= 10; i++) {             for (int j = 1; j <= 10 - i; j++) {                 System.out.print(" ");             }             for (int j = 1; j <= 2 * i - 1; j++) {                 System.out.print("*");             }             System.out.println();         }     } } 
}

Main.java:10: error: Illegal static declaration in inner class Ideone.Loops
	public class Loops {     public static void main(String[] args) {         for (int i = 1; i <= 10; i++) {             for (int j = 1; j <= 10 - i; j++) {                 System.out.print(" ");             }             for (int j = 1; j <= 2 * i - 1; j++) {                 System.out.print("*");             }             System.out.println();         }     } } 
	                                            ^
  modifier 'static' is only allowed in constant variable declarations
1 error

Standard output is empty