Java Hash Code Calculate hashCode(final int i)

Description

Computes the hash code for an integer.

License

Open Source License

Parameter

Parameter	Description
i	The integer for which a hash code should be computed.

Return

i.

Declaration

public static final int hashCode(final int i) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2000, 2006 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:/*from  w w w .j ava 2s . c om*/
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

public class Main {
    /**
     * Computes the hash code for an integer.
     * 
     * @param i
     *            The integer for which a hash code should be computed.
     * @return <code>i</code>.
     */
    public static final int hashCode(final int i) {
        return i;
    }

    /**
     * Computes the hash code for an object, but with defense against
     * <code>null</code>.
     * 
     * @param object
     *            The object for which a hash code is needed; may be
     *            <code>null</code>.
     * @return The hash code for <code>object</code>; or <code>0</code> if
     *         <code>object</code> is <code>null</code>.
     */
    public static final int hashCode(final Object object) {
        return object != null ? object.hashCode() : 0;
    }
}

Related

1. hashCode(double v)
2. hashCode(double val)
3. hashCode(final byte[] data)
4. hashCode(final char[] text, final int textOffset, final int textLen)
5. hashCode(final int i)
6. hashCode(final int seed, final int hashcode)
7. hashCode(final int x, final int y)
8. hashcode(final int[] array)
9. hashCode(final long l)