/Java/Java get wrapper class for primitive

Java get wrapper class for primitive

  // safe because both Long.class and long.class are of type Class<Long>
  @SuppressWarnings("unchecked")
  private static <T> Class<T> wrap(Class<T> c) {
    return c.isPrimitive() ? (Class<T>) PRIMITIVES_TO_WRAPPERS.get(c) : c;
  }

  private static final Map<Class<?>, Class<?>> PRIMITIVES_TO_WRAPPERS
    = new ImmutableMap.Builder<Class<?>, Class<?>>()
      .put(boolean.class, Boolean.class)
      .put(byte.class, Byte.class)
      .put(char.class, Character.class)
      .put(double.class, Double.class)
      .put(float.class, Float.class)
      .put(int.class, Integer.class)
      .put(long.class, Long.class)
      .put(short.class, Short.class)
      .put(void.class, Void.class)
      .build();

Source: stackoverflow.com

Similar codes

0 vote309 views1 answer
Android studio lower case letters on a button
Java
0 vote317 views1 answer
One line hashmap java
Java
0 vote300 views1 answer
Java feld erstellen
Java
2 votes302 views2 answers
How to set default parameter in java
Java
0 vote312 views1 answer
Java netbeans textfield only numbers
Java
1 vote296 views4 answers
How to stop screen rotation in android code
Java
0 vote368 views1 answer
Spring security antmatchers id
Java Spring
1 vote335 views1 answer
How to restart activity in android
Java
0 vote322 views2 answers
Change url by jquery without refresh page
Java
2 votes324 views1 answer
Java string vs stringbuilder
Java