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int res = -1;
BiConsumer<Integer, Integer> bi = (t,u) -> { if (u >= nums.length/2) res = u; };
map.forEach(bi);
return res;
int res = -1;
map.forEach(new BiConsumer<Integer, Integer>() {
public void accept(Integer u, Integer v) {
if (v >= nums.length/2) res = u;
}
});
return res;