import java.io.*;
import java.util.*;
class Passref {
// Just holds an integer.
static class NotMuch
{
private int val;
public NotMuch(int v) { val = v; }
public void set(int v) { val = v; }
public int get() { return val; }
}
public static void f1(NotMuch x)
{
x.set(45);
x = new NotMuch(93);
System.out.println("F1: " + x.get());
}
public static void f2(NotMuch x)
{
x = new NotMuch(22);
x.set(71);
System.out.println("F2: " + x.get());
}
public static void main(String [] args)
{
NotMuch alvin = new NotMuch(33);
System.out.println("M1: " + alvin.get());
f1(alvin);
System.out.println("M2: " + alvin.get());
f2(alvin);
System.out.println("M3: " + alvin.get());
}
}
Output:
M1: 33
F1: 93
M2: 45
F2: 71
M3: 45