Java Field.set(Object obj, Object value)
Syntax
Field.set(Object obj, Object value) has the following syntax.
public void set(Object obj, Object value) throws IllegalArgumentException , IllegalAccessException
Example
In the following code shows how to use Field.set(Object obj, Object value) method.
// ww w . j a va 2 s . c om
import java.lang.reflect.Field;
public class Main {
public static final void main(final String[] args) throws Exception {
SomeNumbers obj = new SomeNumbers();
System.out.println("Before: " + obj);
final Integer value = new Integer(0);
Field[] fields = obj.getClass()
.getFields();
for (int idx = 0; idx < fields.length; idx++) {
if (fields[idx].getType() == int.class) {
fields[idx].set(obj, value);
}
}
System.out.println("After: " + obj);
}
}
class SomeNumbers {
public double a = 1.1d;
public float b = 2.2f;
public int c = 3;
protected int e = 4;
private int f = 5;
public String toString() {
return new String("[a=" + a + ", b=" + b + ", c=" + c + ", e=" + e
+ ", f=" + f + "]");
}
}