/*
 */
public class MiscSnippets {

	public static void main(String[] args) {
		test1();
		test2();
	}

	public static void test1() {
		Base b = new Base( );
		Base d = new Derived( );
		Derived e = new Derived( );
		b.someMethod( 5 );
		d.someMethod( 6 );
		// d.someMethod( 7.0 );	// ILLEGAL: Attempts to call overrided someMethod(int)
		e.someMethod( 8.0 );	// Okay: Called Derived someMethod(double)
	}
	
	public static void test2() {
		Object o = new Object( );
		Object p = new Object( );
		System.out.println( o.toString( ) + " " + p.toString( ) );
	}

}

/* Overriding/Overloading example */

class Base {
	protected void someMethod( int x ) {
		System.out.println( "In Base:someMethod(int)" );
	}
}

class Derived extends Base {
	public void someMethod( int x ) {
		System.out.println( "In void Derived:someMethod( int )" );
	}
	
//	ERROR: duplicate method declaration (changing the return type is not enough)
//	public int someMethod( int x ) {
//		System.out.println( "In int Derived:someMethod( int )" );
//	}
	
	public void someMethod( double d ) {
		System.out.println( "In Derived:someMethod( double )" );
	}
}

/* Student athlete example */

class Student {
	private String name;
}

interface Athlete {
    public String getSport( );
    public boolean isAmateur( );
}

class StudentAthlete extends Student implements Athlete {
    String mySport;   boolean amateur;
    // … other things omitted
    public String getSport( ) { return mySport; }
    public boolean isAmateur( ) { return amateur; }
}