Example

public static void main( String[] args ) { Object o; Object o2; if (o==null && o.equals(o2)) { o.toString(); } }

Solution

In the above, a null pointer excepetion may occur when the method o.equals(o2) and o.toString() are executed. Reconsider the conditions in the if/else statement to ensure that a null-pointer excepetion will not be generated.