// functional/MultiUnbound.java
// (c)2017 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
// Unbound methods with multiple arguments

class This {
 void two(int i, double d) {}
 void three(int i, double d, String s) {}
 void four(int i, double d, String s, char c) {}
}

interface TwoArgs {
 void call2(This athis, int i, double d);
}

interface ThreeArgs {
 void call3(This athis, int i, double d, String s);
}

interface FourArgs {
 void call4(
 This athis, int i, double d, String s, char c);
}

public class MultiUnbound {
 public static void main(String[] args) {
 TwoArgs twoargs = This::two;
 ThreeArgs threeargs = This::three;
 FourArgs fourargs = This::four;
 This athis = new This();
 twoargs.call2(athis, 11, 3.14);
 threeargs.call3(athis, 11, 3.14, "Three");
 fourargs.call4(athis, 11, 3.14, "Four", 'Z');
 }
}