作业：输出所有希腊字母

public class xlzm{public static void main(String args[]){char a,b,x,y;a='α';b='ω';x='Α';y='Ω';System.out.print("希腊字母小写：");for(;a<=b;a++){System.out.print(a);}System.out.print("\n");System.out.print("希腊字母大写：");for(;x<=y;x++){System.out.print(x);}}}