性格Java中的isLowSurrogate()方法及其示例

这个 JAVA朗,性格。isLowSurrogate(字符ch) 是java中的一种内置方法,用于确定给定的字符值是否为Unicode低代理代码单元(也称为尾部代理代码单元)。这些值本身并不表示字符,而是用于表示UTF-16编码中的补充字符。

语法:

public static boolean isLowSurrogate(char ch)

参数: 该函数接受一个强制参数 中国 它指定要测试的字符。

返回值: 该函数返回一个布尔值。返回的值为 符合事实的 如果char值介于MIN_LOW_subrogate和MAX_LOW_subrogate(含)之间, 错误的 否则

下面的程序说明了这个角色。IsLowUrrogate()方法:

项目1:

// Java program to illustrate the
// Character.isLowSurrogate() method
import java.lang.*;
public class gfg {
public static void main(String[] args)
{
// create 2 char primitives c1, c2
char c1 = 'udc25' , c2 = 'h' ;
// assign isLowSurrogate results of
// c1, c2 to boolean primitives bool1, bool2
boolean bool1 = Character.isLowSurrogate(c1);
System.out.println( "c1 is a Unicode low-surrogate ? " + bool1);
boolean bool2 = Character.isLowSurrogate(c2);
System.out.println(c2 + " is a Unicode low-surrogate ? " + bool2);
}
}


输出:

c1 is a Unicode low-surrogate ? true
h is a Unicode low-surrogate ? false

项目2:

// Java program to illustrate the
// Character.isLowSurrogate() method
import java.lang.*;
public class gfg {
public static void main(String[] args)
{
// create 2 char primitives c1, c2
char c1 = 'udc29' , c2 = 'x' ;
// assign isLowSurrogate results of
// c1, c2 to boolean primitives bool1, bool2
boolean bool1 = Character.isLowSurrogate(c1);
System.out.println( "c1 is a Unicode low-surrogate ? " + bool1);
boolean bool2 = Character.isLowSurrogate(c2);
System.out.println(c2 + " is a Unicode low-surrogate ? " + bool2);
}
}


输出:

c1 is a Unicode low-surrogate ? true
x is a Unicode low-surrogate ? false

参考: https://docs.oracle.com/javase/7/docs/api/java/lang/Character.html#isLowSurrogate(字符)

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