initialvalues.java

来自「网络书店的设计与实现 网络书店的设计与实现」· Java 代码 · 共 37 行

//: c04:InitialValues.java
// From 'Thinking in Java, 2nd ed.' by Bruce Eckel
// www.BruceEckel.com. See copyright notice in CopyRight.txt.
// Shows default initial values.

class Measurement {
  boolean t;
  char c;
  byte b;
  short s;
  int i;
  long l;
  float f;
  double d;
  void print() {
    System.out.println(
      "Data type      Initial value\n" +
      "boolean        " + t + "\n" +
      "char           " + c + "\n" +
      "byte           " + b + "\n" +
      "short          " + s + "\n" +
      "int            " + i + "\n" +
      "long           " + l + "\n" +
      "float          " + f + "\n" +
      "double         " + d);
  }
}

public class InitialValues {
  public static void main(String[] args) {
    Measurement d = new Measurement();
    d.print();
    /* In this case you could also say:
    new Measurement().print();
    */
  }
} ///:~