Java Utililty Methods Reflection Method Getter Get

String methodName = method.getName();
if (methodName.startsWith("get")) {
    return getFieldName(methodName.substring(3));
} else if (methodName.startsWith("is")) {
    return getFieldName(methodName.substring(2));
throw new IllegalArgumentException("Invalid getter method" + method.getName());

final List<Field> list = new ArrayList<Field>();
final Field[] fields = clazz.getDeclaredFields();
for (final Field field : fields) {
    if (fieldHasGetter(field, clazz)) {
        list.add(field);
return list;
...

String name = field.getName().substring(0, 1).toUpperCase() + field.getName().substring(1);
try {
    return field.getDeclaringClass().getMethod("get" + name);
} catch (NoSuchMethodException e) {
    return null;

for (Method m : objClass.getDeclaredMethods()) {
    if (m.getName().equals(getGetterMethodName(field.getName(), false))
            || m.getName().equals(getGetterMethodName(field.getName(), true))) {
        if (m.getGenericParameterTypes().length == 0) {
            return m;
Class c = objClass.getSuperclass();
if (c != null) {
    return getGetterFor(obj, field, c);
return null;

List<Method> methods = getterCache.get(clazz);
if (methods == null) {
    methods = new ArrayList<>();
    for (Method method : clazz.getDeclaredMethods()) {
        String name = method.getName();
        if (method.getParameterTypes().length == 0) {
            if (name.startsWith("get")) {
                methods.add(method);
...

char[] chars = property.toCharArray();
chars[0] = Character.toUpperCase(chars[0]);
return clazz.getMethod("get" + new String(chars));

String getterName = PROPERTY_ACCESSOR_PREFIX_GET + (propertyName.isEmpty() ? ""
        : propertyName.substring(0, 1).toUpperCase() + propertyName.substring(1));
try {
    return containingClass.getMethod(getterName);
} catch (NoSuchMethodException e) {
String isserName = PROPERTY_ACCESSOR_PREFIX_IS + (propertyName.isEmpty() ? ""
        : propertyName.substring(0, 1).toUpperCase() + propertyName.substring(1));
...

String getName = getEtterMethodName(property, "get");
try {
    return type.getMethod(getName);
} catch (NoSuchMethodException e) {
    try {
        getName = getEtterMethodName(property, "is");
        return type.getMethod(getName);
    } catch (Exception e1) {
...

try {
    return beanClass.getMethod(GET + getMethodSuffix(property));
} catch (NoSuchMethodException ex1) {
    try {
        return beanClass.getMethod(IS + getMethodSuffix(property));
    } catch (NoSuchMethodException ex2) {
        return null;

try {
    return c.getMethod(getterMethod(field));
} catch (NoSuchMethodException e) {
    throw new RuntimeException(e);