Could somebody explain this Java program ? public class Prog1 { public static vo

Question

Could somebody explain this Java program ?


public class Prog1
{

public static void main (String args[])
{
int a = 5;
int x = 7;
int y = 2;
int result = f(a,y);

print(1);
System.out.println(result);
System.out.println( f(-1,4) );
print(2);
}

public static int f(int y, int a)
{
if (y >= 0)
{ return a; }
else
{
y = y + a;
a = a + 1;
return y;
}
}

public static void print(int m)
{
if (m == 1)
{ System.out.println("Alpha"); }
else
{ System.out.println("Beta"); }
}

}

Explanation / Answer

here a=5,y=2 is passes as argument to the function f which assigns 5 to y and 2 to a now y(=5)>=0 so it returns a=2 so result=2 f(-1,4) here y

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