Java Short parseShort() 方法

2024年12月26日 | 阅读 3 分钟

Java Short 类的 parseShort() 方法用于将字符串参数解析为带符号的十进制 short。

语法

参数

x：包含要解析的 short 表示形式的字符串。字符串中的所有字符必须是十进制数字。

返回值

它返回由参数表示的十进制短整型值。

Exception

如果字符串不包含可解析的 short，则会抛出NumberFormatException。

示例 1

public class ShortParseShortExample1 {

	public static void main(String[] args) {
                //with Positive String Value
	      String x = "100";
	      
	      // it returns signed decimal short value of string
	      short sValue = Short.parseShort(x); 
	  
	      // printing signed parseShort value
	      System.out.println("String "+x +" , parse value into parseShort  =" + sValue);  
	}
}

输出

String 100 , parse value into parseShort  =100

示例 2

public class ShortParseShortExample2 {

	public static void main(String[] args) {
                //with Negative String Value
	      String x = "-500";
	      
	      // it returns signed decimal short value of string
	      short sValue = Short.parseShort(x); 
	  
	      // printing signed parseShort value
	      System.out.println("String "+x +" , parse value into parseShort  =" + sValue);  
	}
}

输出

String -500 , parse value into parseShort  =-500

示例 3

public class ShortParseShortExample3 {

	public static void main(String[] args) {
		   
	      String x = "Hello";
	      
	      // in this case, it will throw exception  because String  doesn't contain parsable value.
	      short sValue = Short.parseShort(x); 
	  
	      // printing signed parseShort value
	      System.out.println("String "+x +" , parse value into parseShort  =" + sValue);  
	}
}

输出

NumberFormatException

屏幕截图

Java Short parseShort(String x, int radix) 方法

Java Short 类的 parseShort(String x, int radix) 方法用于将字符串参数解析为带符号的 short，其中基数由第二个参数指定。

语法

参数

x：包含要解析的 short 的字符串。

radix： 解析包含 short 值的字符串时要使用的基数。

返回值

它返回由指定基数中的字符串参数表示的 short。

Exception

如果出现以下情况，则抛出 NumberFormatException

第一个参数为 null 或长度为零的字符串
字符串的任何字符都不是数字。
基数小于 Character.MIN_RADIX 或大于 Character.MAX_RADIX
字符串表示的值不是 short 类型的值

示例 4

public class ShortParseShortExample4 {

	public static void main(String[] args) {
		   
		  String x="100";
		  int radix=2;
	      // it parse string  as a signed short in the radix
	     short  shortValue = Short.parseShort(x,radix);
	      System.out.println(" String "+x+" parsed specified by radix  "+radix + "  , into signed decimal short = "+ shortValue);
	}
}

输出

String 100 parsed specified by radix  2  , into signed decimal short = 4

示例 5

public class ShortParseShortExample5{

	public static void main(String[] args) {
		   
		  String x="abc"; //Non parsable  value. throw exception
		  int radix=2;
	      // it parse string  as a signed short in the radix
	     short  shortValue = Short.parseShort(x,radix);
	      System.out.println(" String "+x+" parsed specified by radix  "+radix + "  , into signed decimal short = "+ shortValue);
	}
}

输出

NumberFormatException

屏幕截图

示例 6

字符串长度为零

public class ShortParseShortExample6 {

	public static void main(String[] args) {
		   
		  String x=" "; //String length is Zero . throw exception
		  int radix=2;
	      // it parse string  as a signed short in the radix
	     short  shortValue = Short.parseShort(x,radix);
	      System.out.println(" String "+x+" parsed specified by radix  "+radix + "  , into signed decimal short = "+ shortValue);
	}
}

输出

NumberFormatException

屏幕截图

示例 7

public class ShortParseShortExample7 {

	public static void main(String[] args) {
		   

	      // it parse string  as a signed short in the radix
	     short  shortValue = Short.parseShort("55", 6);
	      System.out.println(" String  parsed specified by radix  , into signed decimal short = "+ shortValue);
	}
}

输出

String  parsed specified by radix  into signed decimal short = 35

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Java Short parseShort() 方法

语法

参数

返回值

Exception

示例 1

示例 2

示例 3

Java Short parseShort(String x, int radix) 方法

语法

参数

返回值

Exception

示例 4

示例 5

示例 6

示例 7

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