src/java.base/share/classes/java/lang/reflect/Method.java

@@ -40,10 +40,11 @@
 import sun.reflect.annotation.AnnotationType;
 import sun.reflect.annotation.AnnotationParser;
 import java.lang.annotation.Annotation;
 import java.lang.annotation.AnnotationFormatError;
 import java.nio.ByteBuffer;
+import java.util.StringJoiner;
 
 /**
  * A {@code Method} provides information about, and access to, a single method
  * on a class or interface.  The reflected method may be a class method
  * or an instance method (including an abstract method).

@@ -414,10 +415,25 @@
         sb.append(getReturnType().getTypeName()).append(' ');
         sb.append(getDeclaringClass().getTypeName()).append('.');
         sb.append(getName());
     }
 
+    @Override
+    String toShortString() {
+        StringBuilder sb = new StringBuilder("method ");
+        sb.append(getDeclaringClass().getTypeName()).append('.');
+        sb.append(getName());
+        sb.append('(');
+        StringJoiner sj = new StringJoiner(",");
+        for (Class<?> parameterType : getParameterTypes()) {
+            sj.add(parameterType.getTypeName());
+        }
+        sb.append(sj);
+        sb.append(')');
+        return sb.toString();
+    }
+
     /**
      * Returns a string describing this {@code Method}, including
      * type parameters.  The string is formatted as the method access
      * modifiers, if any, followed by an angle-bracketed
      * comma-separated list of the method's type parameters, if any,