java练习本(2019-07-02)

public class Test {
   private int a = 1;
   int b = 2;
   static int c =3;
   public static void main(String[] args) {
       Test t = new Test();
       //这里插入
  }
}

public class Test {
   public static void main(String[] args) {
       int a =100,b = 50, c = a---b, d = a---b;
       System.out.print(a + "\t");
       System.out.print(b + "\t");
       System.out.print(c + "\t");
       System.out.print(d + "\t");
  }
}