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Java 比较字符值
比较字符值
实例源码：
源代码：
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public class CharacterDemo {3
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public static void main(String args[]) {5
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Character a = new Character('a');7
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Character a2 = new Character('a');//来 自 n o w j a v a . c o m - 时 代 Java9
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Character b = new Character('b');11
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int difference = a.compareTo(b);14
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if (difference == 0) {17
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System.out.println("a is equal to b.");19
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} else if (difference < 0) {21
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System.out.println("a is less than b.");23
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} else if (difference > 0) {25
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System.out.println("a is greater than b.");27
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}29
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System.out.println("a is "32
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+ ((a.equals(a2)) ? "equal" : "not equal") + " to a2.");34
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System.out37
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.println("The character "39
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+ a.toString()/* 来自 时 代 Java 公 众 号 - nowjava.com*/41
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+ " is "43
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+ (Character.isUpperCase(a.charValue()) ? "upper"45
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: "lower") + "case.");47
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}49
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}51
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/*54
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* Copyright (c) 1995, 2008, Oracle and/or its affiliates. All rights reserved.56
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*58
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* Redistribution and use in source and binary forms, with or without60
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* modification, are permitted provided that the following conditions62
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* are met:64
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*66
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* - Redistributions of source code must retain the above copyright68
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* notice, this list of conditions and the following disclaimer.70
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*72
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* - Redistributions in binary form must reproduce the above copyright74
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* notice, this list of conditions and the following disclaimer in the76
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* documentation and/or other materials provided with the distribution.78
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*80
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* - Neither the name of Oracle or the names of its82
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* contributors may be used to endorse or promote products derived84
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* from this software without specific prior written permission.86
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*88
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS90
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,92
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR94
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR96
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,98
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