/*
 * OUTPUT:
 * foo1: bar 1
 * foo2: bar 1
 * foo1 == foo2: No
 * foo1 == foo3: Si
 * foo1.equals(foo2): Si
 * s1,s2,s3: foo,foo,foo
 * s1 == s2: No
 * s1 == s3: Si
 * s1.equals(s2): Si
 */

import java.util.*;

class Foo{
	public String s;
	public int i;

	public Foo(String s, int i) { this.s = s; this.i = i; }
	public String toString() { return s + " " + i ; }
/*	public boolean equals(Foo foo) { return s.equals(foo.s) && ( i == foo.i);}*/
}


public class c2 {
    public static void main (String args[]) {

	Foo foo1 = new Foo( "bar" , 1 );
	Foo foo2 = new Foo( "bar" , 1 );
	Foo foo3 = foo1;
	String s1 = "foo";
	String s2 = "fo";
	String s3 = "foo";
	int i1=314;
	int i2=310;
	Integer i3;

	s2 = s2 + "o";
	i2 = i2 + 4;
/*	i3 = i2;
 * Valid since Java 1.5, compiler will automatically do the conversions
 */
 	i3 = new Integer( i2 );

	System.out.println( "foo1: " + foo1 );
	System.out.println( "foo2: " + foo2 );
	System.out.println( "foo1 == foo2: " + (foo1 == foo2 ? "Si" : "No" ));
	System.out.println( "foo1 == foo3: " + (foo1 == foo3 ? "Si" : "No" ));
	System.out.println( "foo1.equals(foo2): " + (foo1.equals(foo2) ? "Si" : "No" ));
	System.out.println( "s1,s2,s3: " + s1 + "," + s2 + "," + s3 );
	System.out.println( "s1 == s2: " + (s1 == s2 ? "Si" : "No" ));
	System.out.println( "s1 == s3: " + (s1 == s3 ? "Si" : "No" ));
	System.out.println( "s1.equals(s2): " + (s1.equals(s2) ? "Si" : "No" ));

	System.out.println( "i1,i2,i3: " + i1 + "," + i2 + "," + i3 );
	System.out.println( "i1 == i2: " + (i1 == i2 ? "Si" : "No" ));

	/*
	 * Next line gives syntax error with Java < 1.5
	 * Incompatible type for int
	System.out.println( "i1 == i3: " + (i1 == i3 ? "Si" : "No" ));
	System.out.println( "i3.equals(i2): " + (i3.equals(i2) ? "Si" : "No" ));
	*/
	System.out.println( "i1 == i3: " + (i1 == i3.intValue() ? "Si" : "No" ));
	System.out.println( "i3.equals(i2): "
		+ (i3.equals(new Integer(i2)) ? "Si" : "No" ));

	}
}