src/java.base/share/classes/sun/reflect/generics/reflectiveObjects/GenericArrayTypeImpl.java

*** 63,81 ****
      public Type getGenericComponentType() {
          return genericComponentType; // return cached component type
      }
  
      public String toString() {
!         Type componentType = getGenericComponentType();
!         StringBuilder sb = new StringBuilder();
! 
!         if (componentType instanceof Class)
!             sb.append(((Class)componentType).getName() );
!         else
!             sb.append(componentType.toString());
!         sb.append("[]");
!         return sb.toString();
      }
  
      @Override
      public boolean equals(Object o) {
          if (o instanceof GenericArrayType) {
--- 63,73 ----
      public Type getGenericComponentType() {
          return genericComponentType; // return cached component type
      }
  
      public String toString() {
!         return getGenericComponentType().getTypeName() + "[]";
      }
  
      @Override
      public boolean equals(Object o) {
          if (o instanceof GenericArrayType) {