Return a List without the First Element - Java java.util

Java examples for java.util:List First Element

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Description

Return a List without the First Element

Demo Code


//package com.java2s;
import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.List;

public class Main {
    @SuppressWarnings("unchecked")
    public static <T> T[] withoutFirst(T[] o) {
        final Class<?> memberClass = o.getClass().getComponentType();
        final T[] result = (T[]) Array.newInstance(memberClass,
                o.length - 1);//from   w w  w  .ja  va 2  s  .c o  m
        System.arraycopy(o, 1, result, 0, result.length);
        return result;
    }

    public static <T> List<T> withoutFirst(List<T> o) {
        final List<T> result = new ArrayList<T>();

        for (int i = 1; i < o.size(); i++)
            result.add(o.get(i));

        return result;
    }
}

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