public class Test_fun {

	public static void f1 (int x, int y){
		System.out.println("f1");
	}; 


	public static int f2 (int x, int y){  //same signature as f1; has to have different name
		System.out.println("f2");
		return x;
	}; 


	public static void f3 (int x, int z){ //same signature as f1; has to have different name
		System.out.println("f3");
	}; 


	public static void f1 (int x){ // NUMBER of parameters is different from f1(int,int)
		System.out.println("f4");
	}; 


	public static void f1 (double x){ // TYPE of parameters is different from f1(int,int) and f1(int)
		System.out.println("f5");
		simpl_loop(5);
	}; 
	
	public static void simpl_loop(double max){
		int i; 
		System.out.println("simpl_loop max="+max);
		for (i=1; i<=max; i++){
			System.out.println("\t i="+i);
		};
		System.out.println("\t --- simpl_loop");
	}

	public static int fp (int x){ 
		System.out.println("\t\t inside fp - ini step");
		return x;
	}; 

	public static int fc (int x){ 
		System.out.println("\t\t inside fc - comparison step - i="+i+"; x="+x);
		return x;
	}; 

	
	public static void comp_loop(double max){
		int i; 
		System.out.println("comp_loop max="+max);
		for (i=fp(1); fc(i)<=max; System.out.println("\t\t iteration step: new i="+(++i))){
			System.out.println("\t i="+i);
		};
		System.out.println("\t --- comp_loop");
	}

	public static double d; 
	public static int i;

	public static void main(String args[]) {

		System.out.println("in Class Test_fun");

		f1(1,1); 
		f2(1,1);
		f1(1);
		f1(1.);

		i=3; 
		System.out.println("i="+i);
		comp_loop(i);
		System.out.println("in main: i="+i);

		System.out.println("leaving Class Test_fun");
	};
};
/* output: 

C:\Documents and Settings\Viktor Podolskiy>javac Test_fun.java

C:\Documents and Settings\Viktor Podolskiy>java Test_fun
in Class Test_fun
f1
f2
f4
f5
simpl_loop max=5.0
         i=1
         i=2
         i=3
         i=4
         i=5
         --- simpl_loop
i=3
comp_loop max=3.0
                 inside fp - ini step
                 inside fc - comparison step - i=3; x=1
         i=1
                 iteration step: new i=2
                 inside fc - comparison step - i=3; x=2
         i=2
                 iteration step: new i=3
                 inside fc - comparison step - i=3; x=3
         i=3
                 iteration step: new i=4
                 inside fc - comparison step - i=3; x=4
         --- comp_loop
in main: i=3
leaving Class Test_fun

*/