Java Utililty Methods Reflection Field Value Set

try {
    Field field = getAccessibleField((target != null) ? target.getClass() : targetClass, fieldName);
    field.set(target, value);
} catch (Exception exception) {
    boolean instanceFieldRequested = (target != null);
    throw new IllegalAccessException(String.format("Unable to set field '%s' on %s '%s' due to %s: %s",
            fieldName, instanceFieldRequested ? "object" : "class",
            instanceFieldRequested ? target : targetClass.getName(), exception.getClass().getSimpleName(),
...

boolean accessible = field.isAccessible();
field.setAccessible(true);
try {
    field.set(target, newValue);
} catch (IllegalAccessException e) {
    throw new NoSuchFieldException("No such field: " + target.getClass() + '.' + field.getName());
} finally {
    field.setAccessible(accessible);
...

if (field.isAccessible()) {
    field.set(target, value);
} else {
    field.setAccessible(true);
    field.set(target, value);
    field.setAccessible(false);

field.setAccessible(true);
removeFinalModifier(field);
field.set(target, mock);

try {
    Class<?> obj = target.getClass();
    Field[] fields = obj.getDeclaredFields();
    for (int i = 0; i < fields.length; i++) {
        fields[i].setAccessible(true);
        if (field.equals(fields[i].getName())) {
            fields[i].set(target, value);
            break;
...

try {
    Field targetField = findFieldFromClassHierarchy(target.getClass(), fieldName);
    targetField.setAccessible(true);
    targetField.set(target, fieldValue);
} catch (Exception ex) {
    throw new RuntimeException(
            String.format("Cannot set the value of the field: %s because of an error", fieldName), ex);

try {
    getField(target, fieldName).set(target, value);
} catch (IllegalAccessException e) {
    throw new RuntimeException(e);
} catch (NoSuchFieldException e) {
    throw new RuntimeException(e);

return setFieldValue(target, fieldName, value, false);

Field field = getField(target, fieldName);
if (field != null) {
    field.setAccessible(true);
    try {
        field.set(target, fieldValue);
    } catch (IllegalAccessException e) {
        throw new RuntimeException(e);

if ((target == null) || (fname == null) || ("".equals(fname))
        || ((fvalue != null) && (!ftype.isAssignableFrom(fvalue.getClass())))) {
    return;
Class clazz = target.getClass();
try {
    Method method = clazz.getDeclaredMethod(
            "set" + Character.toUpperCase(fname.charAt(0)) + fname.substring(1), new Class[] { ftype });
...