Java JVM is 64 Bit is64Bit()

Here you can find the source of is64Bit()

Description

is Bit

License

Open Source License

Declaration

public static boolean is64Bit() 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2006, 2015, Carnegie Mellon University. All rights reserved.
 *
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 * modification, are permitted provided that the following conditions are met:
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 * 2. Redistributions in binary form must reproduce the above copyright notice,
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 *    and/or other materials provided with the distribution.
 *
 * 3. Products derived from the software may not be called "Alice", nor may
 *    "Alice" appear in their name, without prior written permission of
 *    Carnegie Mellon University.//from w w  w  .  j  a  v a  2s. c  o  m
 *
 * 4. All advertising materials mentioning features or use of this software must
 *    display the following acknowledgement: "This product includes software
 *    developed by Carnegie Mellon University"
 *
 * 5. The gallery of art assets and animations provided with this software is
 *    contributed by Electronic Arts Inc. and may be used for personal,
 *    non-commercial, and academic use only. Redistributions of any program
 *    source code that utilizes The Sims 2 Assets must also retain the copyright
 *    notice, list of conditions and the disclaimer contained in
 *    The Alice 3.0 Art Gallery License.
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 *******************************************************************************/

public class Main {
    public static boolean is64Bit() {
        Integer bitCount = getBitCount();
        return (bitCount != null) && (bitCount == 64);
    }

    public static Integer getBitCount() {
        String bitCountText = System.getProperty("sun.arch.data.model");
        if (bitCountText != null) {
            try {
                return Integer.parseInt(bitCountText);
            } catch (NumberFormatException nfe) {
                return null;
            }
        } else {
            return null;
        }
    }
}

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