Java Character getName() 方法

2024年12月12日 | 阅读 2 分钟

getName(int codePoint) 方法返回指定字符的 Unicode 名称，如果 codePoint 未分配，则返回 null。如果 Unicode 数据文件未为指定字符分配名称，则返回的名称与表达式的结果相同。

Character.UnicodeBlock.of(codePoint).toString().replace('-'), '  ')+"  "+Integer.toHexString(codePoint).toUpperCase(Loale.ROOT);

语法

参数

上述方法只需要一个参数

codePoint：它是字符 (Unicode code point)

返回值

字符，如果 codePoint 未分配，则返回 null。

示例 1

public class JavaCharactergetNameExample1 {
	public static void main(String[] args) {
		  // Declare the codePoints
		     int codepoint = 00;     
		  // Get the Unicode name of the specified character codePoint
		     String result = Character.getName(codepoint);
		 // Print the result
		     System.err.println("The first character '" + (char)codepoint + "' has the unicode name as: " + result);
	     }
	}

输出

The first character ' ' has the Unicode name as: NULL

示例 2

public class JavaCharactergetNameExample2 {
	public static void main(String[] args) {
	  // Declare the codePoints
	     int codepoint1 = 93;
	     int codepoint2 = 69;
	  // Get the Unicode name of the specified character codePoint
	     String result1 = Character.getName(codepoint1);
	     String result2 = Character.getName(codepoint2);
	 // Print the result
	     System.err.println("The character '" + (char)codepoint1 + "' has the unicode name as: " + result1);
	     System.err.println("The character '" + (char)codepoint2+ "' has the unicode name as: " + result2);
     }
}

输出

The character ']' has the unicode name as: RIGHT SQUARE BRACKET
The character 'E' has the unicode name as: LATIN CAPITAL LETTER E

示例 3

public class JavaCharactergetNameExample3 {
	public static void main(String[] args) {
	  // Declare the codePoints
		int codepoint1 = 80;
		int codepoint2 = 55;
		int codepoint3 = 110;
		int codepoint4 = 780;
	 // Get the Unicode name of the specified character codePoint
		String result1 = Character.getName(codepoint1);
		String result2 = Character.getName(codepoint2);
		String result3 = Character.getName(codepoint3);
		String result4 = Character.getName(codepoint4);
       // Print the result
System.err.println("The first character '" + (char)codepoint1 + "' has the unicode name as: " + result1);
System.err.println("The second character '" + (char)codepoint2+ "' has the unicode name as: " + result2);
System.err.println("The third character '" + (char)codepoint3+ "' has the unicode name as: " + result3);
System.err.println("The fourth character '" + (char)codepoint4+ "' has the unicode name as: " + result4);
	     }
	}

输出

The first character 'P' has the unicode name as: LATIN CAPITAL LETTER P
The second character '7' has the unicode name as: DIGIT SEVEN
The third character 'n' has the unicode name as: LATIN SMALL LETTER N
The fourth character '?' has the unicode name as: COMBINING CARON

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Java Character getName() 方法

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Java Character getName() 方法

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