Collections compare, Java

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//'main' method must be in a class 'Rextester'.
//Compiler version 1.8.0_72

import java.util.*;
import java.lang.*;

class Rextester {

public static void main(String[] args) {

Rextester app = new Rextester();
        List<A> coll1 = Arrays.asList(new A(1, "a", true), new A(1, "b", true), new A(1, "a", false));
        List<B> coll2 = Arrays.asList(new B(1, "a", true), new B(1, "b", true), new B(1, "a", false));
        List<A> coll3 = Arrays.asList(new A(2, "a", true), new A(3, "b", true), new A(4, "a", false));
        List<B> coll4 = Arrays.asList(new B(2, "a", true), new B(3, "b", true), new B(5, "a", false));
        
        BiPredicate<A, B> predicate = new BiPredicate<A, B>() {
            @Override
            public boolean test(A a, B b) {
                return a.getInt() == b.getInt() && a.getString().equals(b.getString());
            }
        };
        
        boolean coll1_coll2 = app.compareCollections(coll1, coll2, predicate);
        System.out.println(coll1_coll2);
        
        boolean coll3_coll4 = app.compareCollections(coll3, coll4, predicate);
        System.out.println(coll3_coll4);
        
        
    }

<T, U> boolean compareCollections(Collection<T> coll1, Collection<U> coll2, BiPredicate<T, U> predicate) {

if (coll1.size() != coll2.size()) {
            return false;
        }

for (T item1 : coll1) {
            boolean matched = false;
            for (U item2 : coll2) {
                if (predicate.test(item1, item2)) {
                    matched = true;
                }
            }

if (!matched){
                return false;
            }
        }
        return true;

}

}
class A {
    private int i;
    private String s;
    private boolean b;

public A(int i, String s, boolean b) {
        this.i = i;
        this.s = s;
        this.b = b;
    }
    public int getInt() {
        return i;
    }

public String getString() {
        return s;
    }

public boolean getBoolean() {
        return b;
    }

}

class B {
    private int i;
    private String s;
    private boolean b;

public B(int i, String s, boolean b) {
        this.i = i;
        this.s = s;
        this.b = b;
    }

public int getInt() {
        return i;
    }

public String getString() {
        return s;
    }

public boolean getBoolean() {
        return b;
    }
}

interface BiPredicate <T, U> {
    boolean test(T t, U u);
}

[ + ] Show input
Compilation time: 0.62 sec, absolute running time: 0.14 sec, cpu time: 0.06 sec, memory peak: 19 Mb, absolute service time: 0,76 sec