Java Puzzles: puzzlers with character

public class LastLaugh {
    public static void main(String args[]) {
        System.out.print("H" + "a");
        System.out.print('H' + 'a');
    }
}

public class Abc {
    public static void main(String[] args) {
        String letters = "ABC";
        char[] numbers = { '1', '2', '3' };
        System.out.println(letters + " easy as " + numbers);
    }
}

public class AnimalFarm {
    public static void main(String[] args) {
        final String pig = "length: 10";
        final String dog = "length: " + pig.length();

        System.out.println("Animals are equal: "
                           + pig == dog);
    }
}

public class EscapeRout {
  public static void main(String[] args) {
    // \u0022 is the Unicode escape for double-quote (")
    System.out.println("a\u0022.length() + \u0022b".length());
  }
}

/**
 * Generated by the IBM IDL-to-Java compiler, version 1.0
 * from F:\TestRoot\apps\a1\units\include\PolicyHome.idl
 * Wednesday, June 17, 1998 6:44:40 o'clock AM GMT+00:00
 */
public class Test {
    public static void main(String[] args) {
        System.out.print("Hell");
        System.out.println("o world");
    }
}

public class LinePrinter {
  public static void main(String[] args) {
    // Note: \u000A is Unicode representation of linefeed (LF)
    char c = 0x000A;
    System.out.println(c);
  } 
}

\u0070\u0075\u0062\u006c\u0069\u0063\u0020\u0020\u0020\u0020
\u0063\u006c\u0061\u0073\u0073\u0020\u0055\u0067\u006c\u0079
\u007b\u0070\u0075\u0062\u006c\u0069\u0063\u0020\u0020\u0020
\u0020\u0020\u0020\u0020\u0073\u0074\u0061\u0074\u0069\u0063
\u0076\u006f\u0069\u0064\u0020\u006d\u0061\u0069\u006e\u0028
\u0053\u0074\u0072\u0069\u006e\u0067\u005b\u005d\u0020\u0020
\u0020\u0020\u0020\u0020\u0061\u0072\u0067\u0073\u0029\u007b
\u0053\u0079\u0073\u0074\u0065\u006d\u002e\u006f\u0075\u0074
\u002e\u0070\u0072\u0069\u006e\u0074\u006c\u006e\u0028\u0020
\u0022\u0048\u0065\u006c\u006c\u006f\u0020\u0077\u0022\u002b
\u0022\u006f\u0072\u006c\u0064\u0022\u0029\u003b\u007d\u007d

public class StringCheese {
    public static void main(String args[]) {
        byte bytes[] = new byte[256];    
        for(int i = 0; i < 256; i++)
            bytes[i] = (byte)i;
        String str = new String(bytes);
        for(int i = 0, n = str.length(); i < n; i++)
            System.out.print((int)str.charAt(i) + " ");
    }
}

public class Classifier {
    public static void main(String[] args) {
        System.out.println(
            classify('n') + classify('+') + classify('2')); 
    }

    static String classify(char ch) {
        if ("0123456789".indexOf(ch) >= 0)
            return "NUMERAL ";
        if ("abcdefghijklmnopqrstuvwxyz".indexOf(ch) >= 0)
            return "LETTER ";
/*
 *      (Operators not supported yet) 
 *      if ("+-*/&|!=".indexOf(ch) >= 0)
 *          return "OPERATOR "; 
 */
        return "UNKNOWN "; 
    } 
}

package com.javapuzzlers;

public class Me {
   public static void main(String[] args) {
      System.out.println(
         Me.class.getName().replaceAll(".", "/") + ".class");
   }
}

package com.javapuzzlers;
import java.io.File;

public class MeToo {
    public static void main(String[] args) {
    System.out.println(MeToo.class.getName().
        replaceAll("\\.", File.separator) + ".class");
  }
}

public class BrowserTest {
    public static void main(String[] args) {
        System.out.print("iexplore:");
        http://www.google.com;
        System.out.println(":maximize"); 
    }
}

import java.util.*;

public class Rhymes {
    private static Random rnd = new Random();

    public static void main(String[] args) {
        StringBuffer word = null;
        switch(rnd.nextInt(2)) {
            case 1:  word = new StringBuffer('P');
            case 2:  word = new StringBuffer('G');
            default: word = new StringBuffer('M');
        }
        word.append('a');
        word.append('i');
        word.append('n');
        System.out.println(word);
    }
}