基础练习 01字串

Problem: 

基础练习 01字串

AcCode: 

public class Main{
	public static void main(String[] args) {
		for(int i = 0;i < 2;i++) {
			for (int j = 0; j < 2; j++) {
				for (int j2 = 0; j2 < 2; j2++) {
					for (int k = 0; k < 2; k++) {
						for (int k2 = 0; k2 < 2; k2++) {
							System.out.println(String.valueOf(i)+j+j2+k+k2);
						}
					}
				}
			}
		}
		
	}
}