Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.lang.reflect.Array;

public class Main {

    @SuppressWarnings("unchecked")
    public static final <T> T[] remove(T[] array, T obj) {
        int index = indexOf(array, obj);
        if (index < 0) {
            return array;
        }
        T[] newArray = (T[]) Array.newInstance(array.getClass().getComponentType(), array.length - 1);
        if (index > 0) {
            System.arraycopy(array, 0, newArray, 0, index);
        }
        if (index < array.length - 1) {
            System.arraycopy(array, index + 1, newArray, index, newArray.length - index);
        }
        return newArray;
    }

    public static final <T> int indexOf(T[] array, T obj) {
        if (array != null) {
            for (int i = 0; i < array.length; ++i) {
                Object o = array[i];
                if (o != null) {
                    if (o.equals(obj)) {
                        return i;
                    }
                } else if (obj == null) {
                    return i;

                }
            }
        }
        return -1;
    }

    public static final int indexOf(char[] array, char ch) {
        if (array != null) {
            for (int i = 0; i < array.length; ++i) {
                char c = array[i];
                if (ch == c) {
                    return i;
                }
            }
        }
        return -1;
    }
}