Java Field.getInt(Object obj)
Syntax
Field.getInt(Object obj) has the following syntax.
public int getInt(Object obj) throws IllegalArgumentException , IllegalAccessException
Example
In the following code shows how to use Field.getInt(Object obj) method.
import java.lang.reflect.Field;
/*w w w .j a v a 2 s . com*/
class X {
public int i = 10;
public static final double PI = 3.14;
}
public class Main {
public static void main(String[] args) throws Exception {
Class<?> clazz = Class.forName("X");
X x = (X) clazz.newInstance();
Field f = clazz.getField("i");
System.out.println(f.getInt(x)); // Output: 10
f.setInt(x, 20);
System.out.println(f.getInt(x)); // Output: 20
f = clazz.getField("PI");
System.out.println(f.getDouble(null)); // Output: 3.14
f.setDouble(x, 20);
}
}
The code above generates the following result.
