src/java.base/share/classes/java/lang/invoke/ConstantBootstraps.java

rev 52979 : 8215281: Use String.isEmpty() when applicable in java.base
Reviewed-by: TBD

*** 101,111 ****
          requireNonNull(name);
          requireNonNull(type);
          if (type != Class.class) {
              throw new IllegalArgumentException();
          }
!         if (name.length() == 0 || name.length() > 1) {
              throw new IllegalArgumentException(String.format("not primitive: %s", name));
          }
  
          return Wrapper.forPrimitiveType(name.charAt(0)).primitiveType();
      }
--- 101,111 ----
          requireNonNull(name);
          requireNonNull(type);
          if (type != Class.class) {
              throw new IllegalArgumentException();
          }
!         if (name.length() != 1) {
              throw new IllegalArgumentException(String.format("not primitive: %s", name));
          }
  
          return Wrapper.forPrimitiveType(name.charAt(0)).primitiveType();
      }