Constructor: newInstance(Object... initargs) : Constructor « java.lang.reflect « Java by API

1. Java by API
2. java.lang.reflect
3. Constructor

Constructor: newInstance(Object... initargs)

  


import java.lang.reflect.Constructor;

public class Main {
  public static void main(final String[] args) throws Exception {
    final Class[] ARG_TYPES = new Class[] { String.class };

    Constructor cst = Integer.class.getConstructor(ARG_TYPES);

    System.out.println(cst.newInstance(new Object[] { "45" }));
  }
}

   
    
  

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