What is the difference between 'leben' and 'g1Leben'?
if(getWorld() instanceof Level1punkt1punkt1 || getWorld() instanceof Level1punkt1punkt2){
if( this.getY() <= 15){
World level121 = new Level1punkt2punkt1();
PatAmer pa121 = (PatAmer)level121.getObjects(PatAmer.class).get(0);
System.out.println("Value of 'pa121.g1Leben': "+pa121.g1Leben);
pa121.g1Leben = g1Leben;
Greenfoot.setWorld(level121);
}
}