Java 如果按位索引的位为1，则为true。

欢马劈雪

工程师 (已认证)

原创分享签约作者

发表于实例源码

450

如果按位索引的位为1，则为true。

实例源码：

源代码：

执行

执行中...

/*******************************************************************************

*   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.

********************************************************************************/

//package com.nowjava;

public class Main {/* 来自 时 代 J a v a 公 众 号*/

public static void main(String[] argv) throws Exception {

int bits = 2;

int index = 2;

System.out.println(isBitSet(bits, index));

}

/**

* True if bit at {@code index} in {@code bits} is one.

* @param bits

* @param index must be in the range [0,31] identifies which bit to clear.

public static boolean isBitSet(int bits, int index) {

return (bits & (1 << index)) != 0;

}

/**
/**代码未完, 请加载全部代码(NowJava.com).**/

​x
 
​
/*******************************************************************************
​
 *   Copyright 2014 Analog Devices, Inc.
​
 *
​
 *   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.
​
 ********************************************************************************/
​
//package com.nowjava;
​
​
public class Main {/* 来自 时 代 J a v a 公 众 号*/
​
    public static void main(String[] argv) throws Exception {
​
        int bits = 2;
​
        int index = 2;
​
        System.out.println(isBitSet(bits, index));
​
    }
​
​
    /**
​
     * True if bit at {@code index} in {@code bits} is one.
​
     * 
​
     * @param bits
​
     * @param index must be in the range [0,31] identifies which bit to clear.
​
     */
​
    public static boolean isBitSet(int bits, int index) {
​
        return (bits & (1 << index)) != 0;
​
    }
​
​
    /**
/**代码未完, 请加载全部代码(NowJava.com).**/