src/share/classes/javax/security/auth/Subject.java

rev 7682 : 8021591: Additional explicit null checks
Reviewed-by: duke

*** 1184,1194 ****
              }
              return false;
          }
  
          public boolean removeAll(Collection<?> c) {
! 
              boolean modified = false;
              final Iterator<E> e = iterator();
              while (e.hasNext()) {
                  E next;
                  if (which != Subject.PRIV_CREDENTIAL_SET) {
--- 1184,1194 ----
              }
              return false;
          }
  
          public boolean removeAll(Collection<?> c) {
!             Objects.requireNonNull(c);
              boolean modified = false;
              final Iterator<E> e = iterator();
              while (e.hasNext()) {
                  E next;
                  if (which != Subject.PRIV_CREDENTIAL_SET) {
*** 1220,1230 ****
              }
              return modified;
          }
  
          public boolean retainAll(Collection<?> c) {
! 
              boolean modified = false;
              boolean retain = false;
              final Iterator<E> e = iterator();
              while (e.hasNext()) {
                  retain = false;
--- 1220,1230 ----
              }
              return modified;
          }
  
          public boolean retainAll(Collection<?> c) {
!             Objects.requireNonNull(c);
              boolean modified = false;
              boolean retain = false;
              final Iterator<E> e = iterator();
              while (e.hasNext()) {
                  retain = false;