luisenriquecorona

import java.util.Date;
/** Demonstrate deprecation warning */
public class Deprec {
 public static void main(String[] av) {
 // Create a Date object for May 5, 1986
 // EXPECT DEPRECATION WARNING
 Date d = new Date(86, 04, 05); // May 5, 1986
 System.out.println("Date is " + d);
 }
}

luisenriquecorona

/** This program exhibits some bugs, so we can use a debugger */
public class Buggy {
 static String name;
 public static void main(String[] args) {
 int n = name.length( ); // bug # 1
 System.out.println(n);
 name += "; The end."; // bug #2
 System.out.println(name); // #3
 }
}

luisenriquecorona

/** A simple class used to demonstrate unit testing. */
public class Person {
 protected String fullName;
 protected String firstName, lastName;
  /** Construct a Person using his/her first+last names. */
 public Person(String firstName, String lastName) {
 this.firstName = firstName;
 this.lastName = lastName;
 }
 /** Get the person's full name */

luisenriquecorona

package com.darwinsys.util;
/** Utilities for debugging
 */
public class Debug {
 /** Static method to see if a given category of debugging is enabled.
 * Enable by setting e.g., -Ddebug.fileio to debug file I/O operations.
 * Use like this:<BR>
 * if (Debug.isEnabled("fileio"))<BR>
 * System.out.println("Starting to read file " + fileName);
 */

luisenriquecorona

/**
 * Return the nth ancestor of e, or null if there is no such ancestor
 * or if that ancestor is not an Element (a Document or DocumentFragment e.g.).
 * If n is 0 return e itself. If n is 1 (or
 * omitted) return the parent. If n is 2, return the grandparent, etc. 
 */
function parent(e, n) {
 if (n === undefined) n = 1;
 while(n-- && e) e = e.parentNode;
 if (!e || e.nodeType !== 1) return null;

luisenriquecorona

import com.darwinsys.util.GetOpt;
/** Trivial demonstration of GetOpt. If -h present, print help.
 */
public class GetOptSimple {
 public static void main(String[] args) {
 GetOpt go = new GetOpt("h");
 char c;
 while ((c = go.getopt(args)) !=GetOpt.DONE) {
 switch(c) {
 case 'h':

luisenriquecorona

package com.darwinsys.lang;
import com.darwinsys.util.Debug;
import java.util.Map;
import java.util.HashMap;
import java.util.List;
import java.util.ArrayList;
import java.util.Iterator;
/** A class to implement Unix-style (single-character) command-line argument
 * parsing. Originally patterned after (but not using code from) the Unix
 * getopt(3) program, this has been redesigned to be more Java-friendly.

luisenriquecorona

/** Test for JDK >= 1.1 */
public class TestJDK11 {
 public static void main(String[] a) {
 // Check for JDK >= 1.1
 try {
 Class.forName("java.lang.reflect.Constructor");
 } catch (ClassNotFoundException e) {
 String failure =
 "Sorry, but this version of MyApp needs \n" +
 "a Java Runtime based on Java JDK 1.1 or later";

luisenriquecorona

import java.util.*;
/** Show using a StringTokenizer including getting the delimiters back */
public class StrTokDemo4 {
 public final static int MAXFIELDS = 5;
 public final static String DELIM = "|";
 /** Processes one String; returns it as an array of Strings */
 public static String[] process(String line) {
 String[] results = new String[MAXFIELDS];
 // Unless you ask StringTokenizer to give you the tokens,
 // it silently discards multiple null tokens.

luisenriquecorona

/**
 * StringBufferDemo: construct the same String three different ways.
 */
public class StringBufferDemo {
 public static void main(String[] argv) {
 String s1 = "Hello" + ", " + "World";
 System.out.println(s1);
 // Build a StringBuffer, and append some things to it.
 StringBuffer sb2 = new StringBuffer( );
 sb2.append("Hello");