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public class Zad2a {
 
        public static void main(String[] args) throws InterruptedException {
                System.out.println("Przed 'i' = " + Test.i);
                System.out.println("Przed 'j' = " + Test.j);
                new Runnable() {
                        public void run() {
                                Test.one();
                                Test.three();
                        }
                }.run();
 
                new Runnable() {
                        public void run() {
                                Test.two();
                                Test.four();
                        }
                }.run();
                System.out.println("Po 'i' = " + Test.i);
                System.out.println("Po 'j' =  " + Test.j);
 
        }
 
        private static class Test {
                private volatile static long i = 0;             
                static long j = 0;
 
                private static void one() {
                        for (int x = 0; x < 10; x++) {
                                System.out.println("" + i);
                                i++;
                        }
                }
 
                private static void two() {
                        for (int x = 0; x < 9; x++) {
                                System.out.println("" + i);
                                i--;
                        }
                }
                synchronized private static void three() {
                        for (int x = 0; x < 10; x++) {
                                System.out.println("" + j);
                                j++;
                        }
                }
                synchronized private static void four() {
                        for (int x = 0; x < 9; x++) {
                                System.out.println("" + j);
                                j--;
                        }
                }
 
        }
}
 

prog.cs(3,47): error CS1525: Unexpected symbol `throws', expecting `;', `{', or `where'
prog.cs(4,23): error CS1041: Identifier expected, `out' is a keyword
prog.cs(5,23): error CS1041: Identifier expected, `out' is a keyword
prog.cs(7,24): error CS1526: Unexpected symbol `public'
prog.cs(7,42): error CS1525: Unexpected symbol `{'
prog.cs(11,18): error CS1519: Unexpected symbol `.' in class, struct, or interface member declaration
prog.cs(11,19): error CS1520: Class, struct, or interface method must have a return type
prog.cs(13,21): error CS0106: The modifier `new' is not valid for this item
prog.cs(13,21): error CS1520: Class, struct, or interface method must have a return type
prog.cs(14,24): error CS1525: Unexpected symbol `public'
prog.cs(14,32): error CS1547: Keyword `void' cannot be used in this context
prog.cs(14,39): error CS1525: Unexpected symbol `('
prog.cs(18,18): error CS1519: Unexpected symbol `.' in class, struct, or interface member declaration
prog.cs(18,19): error CS1520: Class, struct, or interface method must have a return type
prog.cs(19,26): error CS1519: Unexpected symbol `out' in class, struct, or interface member declaration
prog.cs(19,37): error CS1001: Unexpected symbol `Po 'i' = ', expecting identifier
prog.cs(19,28): error CS1520: Class, struct, or interface method must have a return type
prog.cs(20,26): error CS1519: Unexpected symbol `out' in class, struct, or interface member declaration
prog.cs(20,37): error CS1001: Unexpected symbol `Po 'j' =  ', expecting identifier
prog.cs(20,28): error CS1520: Class, struct, or interface method must have a return type
prog.cs(30,39): error CS1041: Identifier expected, `out' is a keyword
prog.cs(37,39): error CS1041: Identifier expected, `out' is a keyword
prog.cs(41,48): error CS1519: Unexpected symbol `void' in class, struct, or interface member declaration
prog.cs(43,39): error CS1041: Identifier expected, `out' is a keyword
prog.cs(47,48): error CS1519: Unexpected symbol `void' in class, struct, or interface member declaration
prog.cs(49,39): error CS1041: Identifier expected, `out' is a keyword
prog.cs(24,30): error CS1527: Namespace elements cannot be explicitly declared as private, protected or protected internal
prog.cs(55,0): error CS1525: Unexpected symbol `}'
Compilation failed: 28 error(s), 0 warnings

Standard output is empty