How to write a basic swap function in Java [duplicate]

Question

I am new to java. How to write the java equivalent of the following C code.

void Swap(int *p, int *q) {    int temp;    temp = *p;    *p = *q;    *q = temp; }  

Answer 1

Here is one trick:

public static int getItself(int itself, int dummy) {     return itself; }  public static void main(String[] args) {     int a = 10;     int b = 20;      a = getItself(b, b = a); }