Gracefully avoiding NullPointerException in Java

Question

Consider this line:

if (object.getAttribute(\"someAttr\").equals(\"true\")) { // ....

Obviously this line is a potential bug, the attribute

Answer 1

In the second option, you can take advantage of short-circuiting &&:

String attr = object.getAttribute("someAttr");
if (attr != null && attr.equals("true")) { // ....