Fix: refactor WildcardTypeImpl

Signed-off-by: anaconda875 <hflbtmax@gmail.com>

Author: anaconda875

spring-core/src/main/java/org/springframework/core/ResolvableType.java

@@ -1727,18 +1727,18 @@ public boolean equals(Object o) {
 
 		@Override
 		public int hashCode() {
-			return Arrays.hashCode(getLowerBounds()) ^ Arrays.hashCode(getUpperBounds());
+			return Arrays.hashCode(this.lowerBound) ^ Arrays.hashCode(this.upperBound);
 		}
 
 		@Override
 		public String toString() {
-			if (getLowerBounds().length == 1) {
-				return "? super " + typeToString(getLowerBounds()[0]);
+			if (this.lowerBound.length == 1) {
+				return "? super " + typeToString(this.lowerBound[0]);
 			}
-			if (getUpperBounds().length == 0 || getUpperBounds()[0] == Object.class) {
+			if (this.upperBound.length == 0 || this.upperBound[0] == Object.class) {
 				return "?";
 			}
-			return "? extends " + typeToString(getUpperBounds()[0]);
+			return "? extends " + typeToString(this.upperBound[0]);
 		}
 
 		private static String typeToString(Type type) {