randvals.java

来自「中文JAVA编程思想第二版,一本很好的JAVA入门书籍!」· Java 代码 · 共 13 行

//: c08:RandVals.java
// From 'Thinking in Java, 2nd ed.' by Bruce Eckel
// www.BruceEckel.com. See copyright notice in CopyRight.txt.
// Initializing interface fields with 
// non-constant initializers.
import java.util.*;

public interface RandVals {
  int rint = (int)(Math.random() * 10);
  long rlong = (long)(Math.random() * 10);
  float rfloat = (float)(Math.random() * 10);
  double rdouble = Math.random() * 10;
} ///:~