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import javax.swing.JFrame;
 
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
 
		public static void Parking_test(){
			for(int k = 1; k<=10; k++){
				double x = 0, y = 0, n = 0, m = 0;
				int c = 0, spr = 0, proba = 0, kolizja = 0, zaparkowany = 0;
				List<Double> lista_x = new ArrayList<Double>();
				List<Double> lista_y = new ArrayList<Double>();
				Random generator = new Random();
				for(int i = 0; i<12000; i++){
					x = generator.nextDouble() * 100;
					y = generator.nextDouble() * 100;
					spr = 0;
 
					if(lista_x.isEmpty() && lista_y.isEmpty()){
						lista_x.add(x);
						lista_y.add(y);
						proba += 1;
						zaparkowany += 1;
					}else{
						for(c = 0; c <= lista_x.size(); c++){
							n = lista_x.get(c);
							m = lista_y.get(c);
							if(Math.max(Math.abs(x - n), Math.abs(y - m)) >= 1){
								spr += 1;
							}else{
								proba += 1;
								kolizja += 1;
								break;
							}
							if(spr == lista_x.size()){
								lista_x.add(x);
								lista_y.add(y);
								proba += 1;
								zaparkowany += 1;
								break;
							}
						}
					}
				}
				System.out.println(zaparkowany);
			}
		}
 
		public static void main(String[] args){
			for(int i = 0; i < 10; i++){
				Parking_test();
				System.out.println("--------");
			}
		}
 

Main.java:8: error: class, interface, or enum expected
		public static void Parking_test(){
		              ^
Main.java:9: error: class, interface, or enum expected
			for(int k = 1; k<=10; k++){
			               ^
Main.java:9: error: class, interface, or enum expected
			for(int k = 1; k<=10; k++){
			                      ^
Main.java:11: error: class, interface, or enum expected
				int c = 0, spr = 0, proba = 0, kolizja = 0, zaparkowany = 0;
				^
Main.java:12: error: class, interface, or enum expected
				List<Double> lista_x = new ArrayList<Double>();
				^
Main.java:13: error: class, interface, or enum expected
				List<Double> lista_y = new ArrayList<Double>();
				^
Main.java:14: error: class, interface, or enum expected
				Random generator = new Random();
				^
Main.java:15: error: class, interface, or enum expected
				for(int i = 0; i<12000; i++){
				^
Main.java:15: error: class, interface, or enum expected
				for(int i = 0; i<12000; i++){
				               ^
Main.java:15: error: class, interface, or enum expected
				for(int i = 0; i<12000; i++){
				                        ^
Main.java:17: error: class, interface, or enum expected
					y = generator.nextDouble() * 100;
					^
Main.java:18: error: class, interface, or enum expected
					spr = 0;
					^
Main.java:20: error: class, interface, or enum expected
					if(lista_x.isEmpty() && lista_y.isEmpty()){
					^
Main.java:22: error: class, interface, or enum expected
						lista_y.add(y);
						^
Main.java:23: error: class, interface, or enum expected
						proba += 1;
						^
Main.java:24: error: class, interface, or enum expected
						zaparkowany += 1;
						^
Main.java:25: error: class, interface, or enum expected
					}else{
					^
Main.java:26: error: class, interface, or enum expected
						for(c = 0; c <= lista_x.size(); c++){
						           ^
Main.java:26: error: class, interface, or enum expected
						for(c = 0; c <= lista_x.size(); c++){
						                                ^
Main.java:28: error: class, interface, or enum expected
							m = lista_y.get(c);
							^
Main.java:29: error: class, interface, or enum expected
							if(Math.max(Math.abs(x - n), Math.abs(y - m)) >= 1){
							^
Main.java:31: error: class, interface, or enum expected
							}else{
							^
Main.java:33: error: class, interface, or enum expected
								kolizja += 1;
								^
Main.java:34: error: class, interface, or enum expected
								break;
								^
Main.java:35: error: class, interface, or enum expected
							}
							^
Main.java:38: error: class, interface, or enum expected
								lista_y.add(y);
								^
Main.java:39: error: class, interface, or enum expected
								proba += 1;
								^
Main.java:40: error: class, interface, or enum expected
								zaparkowany += 1;
								^
Main.java:41: error: class, interface, or enum expected
								break;
								^
Main.java:42: error: class, interface, or enum expected
							}
							^
Main.java:47: error: class, interface, or enum expected
			}
			^
Main.java:50: error: class, interface, or enum expected
		public static void main(String[] args){
		              ^
Main.java:51: error: class, interface, or enum expected
			for(int i = 0; i < 10; i++){
			               ^
Main.java:51: error: class, interface, or enum expected
			for(int i = 0; i < 10; i++){
			                       ^
Main.java:53: error: class, interface, or enum expected
				System.out.println("--------");
				^
Main.java:54: error: class, interface, or enum expected
			}
			^
36 errors

Standard output is empty