/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 vote211 views1 answer
Java calendar add minutes
Java
1 vote191 views1 answer
Java solid principles
Java
0 vote216 views1 answer
Java get file from url
Java
2 votes221 views2 answers
Spring boot param object
Java
0 vote213 views2 answers
Java code to python converter online
Java
2 votes240 views1 answer
Springboot starter jpa
Java
-3 votes224 views2 answers
Multiplication Table in java
Java
1 vote201 views1 answer
String.join java 8
Java
0 vote187 views1 answer
Java 8 stream option
Java
0 vote202 views1 answer
BodyContentImpl memory leak
Java