quiz9_1.java

来自「北京大学出版社的」· Java 代码 · 共 10 行

public class Quiz9_1 {
  private int a = 200;
  public static void main( String[] args ) {
    Quiz9_1 x = new Quiz9_1();
    B y = new B();
  }
  public class B {
    private int b = 100;
  }
}