Java OS is 64 Bit is64BitVM()

Description

is Bit VM

License

Apache License

Declaration

public static boolean is64BitVM() 

Method Source Code

//package com.java2s;
/*//w  w w  .j  a  v a 2s . c  o  m
 * @(#)$Id: SystemUtils.java 3870 2008-05-21 02:46:25Z yui $
 *
 * Copyright 2006-2008 Makoto YUI
 *
 * 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.
 * 
 * Contributors:
 *     Makoto YUI - initial implementation
 */

public class Main {
    public static boolean is64BitVM() {
        try {
            int bits = Integer.getInteger("sun.arch.data.model", 0).intValue();
            if (bits != 0) {
                return bits == 64;
            }
            return System.getProperty("java.vm.name").indexOf("64") >= 0;
        } catch (Throwable t) {
            return false;
        }
    }
}

Related

1. is64bitOS()
2. is64bitPlatform()
3. is64Bits()
4. is64Bits()
5. is64BitVM()
6. is64BitWin()