Java Character getDirectionality() 方法

2024 年 12 月 12 日 | 阅读 4 分钟

Character 类的 getDirectionality(char ch) 方法用于返回给定字符的 Unicode 方向性属性。通常，字符方向性用于计算文本的视觉顺序。未定义字符值的方向性值是 DIRECTIONALITY_UNDEFINED。

语法

参数

ch：这是请求其方向性属性的字符。

返回值

它返回字符值的方向性属性。

示例 1

  public class JavaCharactergetDirectionalityExample1 {
   public static void main(String[] args) {
   // Create two character primitives obj1, obj2
   char obj1, obj2;
   // Assign the values to ch1, ch2
   obj1 = 'Q';
   obj2 = '1';
   // create 2 byte primitives b1, b2
   byte b1, b2;
   // Assign the directionality of obj1 and obj2 to b1 and b2 respectively.
   b1 = Character.getDirectionality(obj1);
   b2 = Character.getDirectionality(obj2);
   System.err.println("The directionality of " + obj1 + " is " + b1);
   System.err.println("The directionality of " + obj2 + " is " + b2);
        }
     }

输出

The directionality of Q is 0
The directionality of 1 is 3

示例 2

import java.util.Scanner;
public class JavaCharactergetDirectionalityExample2 {	
     public static void main(String[] args) {
	 // Ask the user for the first input.
	   System.out.print("Enter the first input:");
	// Use scanner to get the user input
	   Scanner s1 = new Scanner(System.in);
	// Gets the first user input
	   char[] value1 = s1.nextLine().toCharArray();
	// The Unicode directionality property for the given character
	    for (char ch1 : value1) {
	   byte result1 = Character.getDirectionality(ch1);	
System.out.println("The Unicode directionality property for the character " + ch1+ " is " + result1);		
	}
	// Ask the user for the sercond input.
          System.out.print("Enter the second input:");
	// use scanner to get the user input
          Scanner s2 = new Scanner(System.in);
	// gets the user input
	   char[] value2 = s2.nextLine().toCharArray();
	// The Unicode directionality property for the given character
	   for (char ch2 : value2) {
	   byte result2 = Character.getDirectionality(ch2);
System.out.println("The Unicode directionality property for the character " + ch2+ " is " + result2);		
		}	
       } 
}

输出

Enter the first input:D
The Unicode directionality property for the character D is 0
Enter the second input:4
The Unicode directionality property for the character 4 is 3

示例 3

public class JavaCharactergetDirectionalityExample3 {
    public static void main(String[] args)
      {
	  // Create two int primitives ch1 and ch2 and assign values to them
	       int char1 = 45, char2 = 61;
	 // Assign the directionality
	       byte obj1 = Character.getDirectionality(char1);
	       byte obj2 = Character.getDirectionality(char2);
	       System.err.println("Directionality of first primitive is " + obj1);
	       System.err.println("Directionality of second primitive is " + obj2);
	    }
    }

输出

Directionality of first primitive is 4
Directionality of second primitive is 13

Java Character getDirectionality() 方法

Character 类的 getDirectionality(int codePoint) 方法用于返回给定字符的 Unicode 方向性属性。通常，字符方向性用于计算文本的视觉顺序。未定义字符值的方向性值是 DIRECTIONALITY_UNDEFINED。

语法

参数

上述方法只需要一个参数

codePoint：这是请求其方向性属性的字符（Unicode 代码点）。

返回值

getDirectionality(int codePoint) 方法返回字符的方向性属性。

示例 1

public class JavaCharactergetDirectionality_Example1 {
     public static void main(String[] args) {
	// Initialize the codePoints.
	    int codepoint1 = 36;
	    int codepoint2 = 2001;
	// Convert the codePoint to its numeric value.
	     byte value1 = Character.getDirectionality(codepoint1);
	     byte value2 = Character.getDirectionality(codepoint2);
       // Print the result.
	    System.out.println("codePoint: " + codepoint1);
           System.out.println("Unicode directionality property for the first codePoint is: "+ value1);
	    System.out.println("codePoint: " + codepoint1);
	    System.out.println("Unicode directionality property for the second codePoint is: " + value2);		
		}
	}

输出

codePoint: 36
Unicode directionality property for the first codePoint is: 5
codePoint: 36
Unicode directionality property for the second codePoint is: 1

示例 2

public class JavaCharactergetDirectionality_Example2 {
   public static void main(String[] args) {
	// Create two int primitives cp1, cp2
	      int obj1, obj2;
      // Assign the values to obj1, obj2
	      obj1 = 323;
	      obj2 = 60;
     // create two byte primitives b1, b2
	      byte b1, b2;
      // assign directionality of cp1, cp2 to b1, b2
	      b1 = Character.getDirectionality(obj1);
	      b2 = Character.getDirectionality(obj2);	       
	      System.err.println("Directionality for first codePoint is " + b1);
	      System.err.println("Directionality of second codePoint is " + b2); 
	   }
	}

输出

Directionality for first codePoint is 0
Directionality of second codePoint is 13

示例 3

public class JavaCharactergetDirectionality_Example3 {	
	public static void main(String[] args) {
	// Initialize the codePoints.
	   int codepoint1 = 36;
          int codepoint2 = 2001;
          int codepoint3 = 00;
	// Convert the codePoint to its numeric value.
	   byte value1 = Character.getDirectionality(codepoint1);
	   byte value2 = Character.getDirectionality(codepoint2);
          byte value3 = Character.getDirectionality(codepoint3); 
       // Print the result.
	System.out.println("codePoint: " + codepoint1);      
  System.out.println("Unicode directionality property for the first codePoint is: "+ value1);
      System.out.println("codePoint: " + codepoint2);	 
   System.out.println("Unicode directionality property for the second codePoint is: " + value2);	
      System.out.println("codePoint: " + codepoint3);	
    System.out.println("Unicode directionality property for the second codePoint is: " + value3);		
		     }
     }

输出

codePoint: 36
Unicode directionality property for the first codePoint is: 5
codePoint: 2001
Unicode directionality property for the second codePoint is: 1
codePoint: 0
Unicode directionality property for the second codePoint is: 9

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Java Character getDirectionality() 方法

语法

参数

返回值

示例 1

示例 2

示例 3

Java Character getDirectionality() 方法

语法

参数

返回值

示例 1

示例 2

示例 3

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Java Character getDirectionality() 方法

语法

参数

返回值

示例 1

示例 2

示例 3

Java Character getDirectionality() 方法

语法

参数

返回值

示例 1

示例 2

示例 3

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