src/java.base/share/classes/jdk/internal/org/objectweb/asm/util/CheckSignatureAdapter.java

rev 51919 : 8215281: Use String.isEmpty() when applicable in java.base
Reviewed-by: dfuchs, alanb

*** 356,366 ****
              sv.visitEnd();
          }
      }
  
      private void checkClassName(final String name, final String msg) {
!         if (name == null || name.length() == 0) {
              throw new IllegalArgumentException("Invalid " + msg
                      + " (must not be null or empty)");
          }
          for (int i = 0; i < name.length(); ++i) {
              if (".;[<>:".indexOf(name.charAt(i)) != -1) {
--- 356,366 ----
              sv.visitEnd();
          }
      }
  
      private void checkClassName(final String name, final String msg) {
!         if (name == null || name.isEmpty()) {
              throw new IllegalArgumentException("Invalid " + msg
                      + " (must not be null or empty)");
          }
          for (int i = 0; i < name.length(); ++i) {
              if (".;[<>:".indexOf(name.charAt(i)) != -1) {
*** 369,379 ****
              }
          }
      }
  
      private void checkIdentifier(final String name, final String msg) {
!         if (name == null || name.length() == 0) {
              throw new IllegalArgumentException("Invalid " + msg
                      + " (must not be null or empty)");
          }
          for (int i = 0; i < name.length(); ++i) {
              if (".;[/<>:".indexOf(name.charAt(i)) != -1) {
--- 369,379 ----
              }
          }
      }
  
      private void checkIdentifier(final String name, final String msg) {
!         if (name == null || name.isEmpty()) {
              throw new IllegalArgumentException("Invalid " + msg
                      + " (must not be null or empty)");
          }
          for (int i = 0; i < name.length(); ++i) {
              if (".;[/<>:".indexOf(name.charAt(i)) != -1) {