package quiz;

public class Quiz22 {

static String str;

public static boolean test1(){

return new Boolean("1");

}

public static boolean test2(){

return new Boolean(str);

}

public static void main(String[] args) {

if(test1())

System.out.print("1");

if(!test2())

System.out.print("2");

if(test1() != test2())

System.out.print("3");

}

}

public final class Boolean implements java.io.Serializable, Comparable

{

private final boolean value;

public Boolean(boolean value) {

this.value = value;

}

public Boolean(String s) {

this(toBoolean(s));

}

public static int compare(boolean x, boolean y) {

return (x == y) ? 0 : (x ? 1 : -1);

}

private static boolean toBoolean(String name) {

return ((name != null) && name.equalsIgnoreCase("true"));

}

public boolean equals(Object obj) {

if (obj instanceof Boolean) {

return value == ((Boolean)obj).booleanValue();

}

return false;

}

public int compareTo(Boolean b) {

return compare(this.value, b.value);

}

public static boolean parseBoolean(String s) {

return toBoolean(s);

}

public static Boolean valueOf(boolean b) {

return (b ? TRUE : FALSE);

}

/**

* Returns a {@code Boolean} with a value represented by the

* specified string.  The {@code Boolean} returned represents a

* true value if the string argument is not {@code null}

* and is equal, ignoring case, to the string {@code "true"}.

*

* @param   s   a string.

* @return  the {@code Boolean} value represented by the string.

*/

public static Boolean valueOf(String s) {

return toBoolean(s) ? TRUE : FALSE;

}

public String toString() {

return value ? "true" : "false";

}

/**

* Returns a hash code for this {@code Boolean} object.

*

* @return  the integer {@code 1231} if this object represents

* {@code true}; returns the integer {@code 1237} if this

* object represents {@code false}.

*/

public int hashCode() {

return value ? 1231 : 1237;

}

}

public class DecoratorPatternEx {

public static void main(String[] args) {

Boolean a =   new Boolean("1");

Boolean b =   new Boolean("1");

Boolean  a1 = new Boolean(true);

Boolean b1 = new Boolean(true);

if ( a == b){

System.out.println( true);

}else {

System.out.println(false);

}

if ( a1 == b1){

System.out.println( true);

}else {

System.out.println(false);

}

}

}