stringer.java

来自「think in java TIJ-3rd-edition-code.zip」· Java 代码 · 共 22 行

//: appendixa:Stringer.java
import com.bruceeckel.simpletest.*;

public class Stringer {
  static String upcase(String s) {
    return s.toUpperCase();
  }
  public static void main(String[] args) {
    SimpleTest monitor =
      new SimpleTest("Stringer");
    String q = new String("howdy");
    System.out.println(q); // howdy
    String qq = upcase(q);
    System.out.println(qq); // HOWDY
    System.out.println(q); // howdy
    monitor.expect(new String[] {
      "howdy",
      "HOWDY",
      "howdy"
    });
  }
} ///:~