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Java 一元运算符,
Java 一元运算符,
欢马劈雪
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一元运算符,-,++
实例源码:
源代码:
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class UnaryDemo {/*来 自 nowjava - 时 代 Java*/ public static void main(String[] args) { int result = +1; // result is now 1 System.out.println(result); result--; // result is now 0 System.out.println(result); result++; // result is now 1 System.out.println(result); result = -result; // result is now -1 System.out.println(result); boolean success = false; // false /* nowjava - 时 代 Java */ System.out.println(success); // true System.out.println(!success); } } /* * Copyright (c) 1995, 2014, Oracle and/or its affiliates. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * - Neither the name of Oracle or the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, /**代码未完, 请加载全部代码(NowJava.com).**/
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执行结果:
1
0
1
-1
false
true
本文系作者在时代Java发表,未经许可,不得转载。如有侵权,请联系nowjava@qq.com删除。
编辑于
2020-03-26 09:23:27
2020-03-26 09:23:27
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