CaseAndNpe.java 79 Condition 'a != null' is always true CaseAndNpe.java 26 Method invocation 'o.equals(o)' may produce NullPointerException CaseAndNpe.java 48 Switch label 'case 1:' is unreachable CaseAndNpe.java 49 Switch label 'case 2:' is unreachable CaseAndNpe.java 80 Condition is always true