/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

1 vote257 views2 answers
Java setinterval equivalent
Java
0 vote229 views1 answer
GLG203
Java
8 votes246 views4 answers
Java decimalformat
Java
0 vote219 views1 answer
Draw single point java
Java
0 vote233 views1 answer
Android popBackStack to specific fragment
Java
13 votes253 views6 answers
Arraylist to array java
Java
0 vote222 views1 answer
Return class name java
Java
2 votes224 views1 answer
Java random primary key
Java
0 vote247 views1 answer
Java 8 find in list by property
Java
-1 vote219 views1 answer
Java 8 stream add to list
Java