编辑代码

public class MyOne{
  public static void main(String[] args){
     int a=12;
     char b='d';
     double c=23.65;
     float d=34.65f;
     System.out.println("a="+a);
     System.out.println("b="+b);
     System.out.println("c="+c);
     System.out.println("d="+d);
     System.out.println("16;lzj");
  }
}