Java Character isISOControl()方法

java.lang.Character.isISOControl(char ch) 确定指定的字符是ISO控制字符。一个字符被认为是一个ISO控制字符，如果它的代码是在'符u0000'到'u001F'或' u009F'到'u007F'范围。

1 语法

public static boolean isISOControl(char ch)

2 参数

ch：要测试的字符

3 返回值

如果字符是ISO控制字符此方法返回true，否则返回false。

4 示例 

package com.yiidian;

/**
 * 一点教程网： http://www.yiidian.com
 */
/**
 * Java Character isISOControl()方法
 */
import java.lang.*;

public class CharacterDemo {

   public static void main(String[] args) {

      // create 2 char primitives ch1, ch2
      char ch1, ch2;

      // assign values to ch1, ch2
      ch1 = ':';
      ch2 = 'u0013';

      // create 2 boolean primitives b1, b2
      boolean b1, b2;

      // assign isISOControl results of ch1, ch2 to b1, b2
      b1 = Character.isISOControl(ch1);
      b2 = Character.isISOControl(ch2);

      String str1 = ch1 + " is an ISO control character is " + b1;
      String str2 = "ch2 is an ISO control character is " + b2;

      // print b1, b2 values
      System.out.println( str1 );
      System.out.println( str2 );
   }
}

输出结果为：

: is an ISO control character is false
ch2 is an ISO control character is true