How to call the funcation in java

class FunctionCall {

public static void funct1 () {
System.out.println ("Inside funct1");
}

public static void main (String[] args) {
int val;

System.out.println ("Inside main");

funct1();

System.out.println ("About to call funct2");

val = funct2(8);

System.out.println ("funct2 returned a value of " + val);

System.out.println ("About to call funct2 again");

val = funct2(-3);

System.out.println ("funct2 returned a value of " + val);
}

public static int funct2 (int param) {
System.out.println ("Inside funct2 with param " + param);
return param * 2;
}
}