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);
	}
}