Java Type Size sizeOf(int value)

Description

size Of

License

Apache License

Declaration

public static int sizeOf(int value) 

Method Source Code

//package com.java2s;
/*//from   w ww.  jav  a2 s. c o m
 * Copyright 2000-2014 JetBrains s.r.o.
 *
 * 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.
 */

public class Main {
    private static final int BYTE_OFFSET = 8;

    public static int sizeOf(int value) {
        if (value < 0)
            value = ~value;

        value >>= BYTE_OFFSET - 1;
        for (int i = 1; i < 4; i++) {
            if (value == 0)
                return i;
            value >>= BYTE_OFFSET;
        }
        return 4;
    }
}

Related

1. sizeOf(Class cls)
2. sizeOf(Class clz)
3. sizeOf(double v)
4. sizeOf(int fieldNumber)
5. sizeOf(int tagNumber, int contentLength)
6. sizeOf(int[] arr)
7. sizeOf(String str)
8. sizeOf(String type)
9. sizeOf(String typeDescriptor)