19 lines
578 B
Java
19 lines
578 B
Java
package com.tofvesson.collections;
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import java.util.ArrayList;
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import java.util.Collection;
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@SuppressWarnings("unchecked")
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public final class Collections {
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public static <T> ArrayList<T> flip(Collection<T> c){
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ArrayList<T> a = new ArrayList<T>();
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T[] t = (T[]) c.toArray();
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for(int i = c.size()-1; i>0; --i) a.add(t[i]);
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return a;
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}
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public static boolean arrayContains(Object[] o, PredicateCompat p){ for(Object o1 : o) if(p.apply(o1)) return true; return false; }
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public interface PredicateCompat<T>{ boolean apply(T t); }
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}
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