Java Field.setLong(Object obj, long l)
Syntax
Field.setLong(Object obj, long l) has the following syntax.
public void setLong(Object obj, long l) throws IllegalArgumentException , IllegalAccessException
Example
In the following code shows how to use Field.setLong(Object obj, long l) method.
import java.lang.reflect.Field;
// ww w . j a v a2 s .c om
class MyClass {
public long i = 99999999L;
}
public class Main {
public static void main(String[] args) throws Exception {
Class<?> clazz = Class.forName("MyClass");
MyClass x = (MyClass) clazz.newInstance();
Field f = clazz.getField("i");
System.out.println(f.getLong(x));
f.setLong(x, 9L);
System.out.println(f.getLong(x));
}
}
The code above generates the following result.
