Java Module java.base Package java.util Class MissingFormatArgumentException（JDK11）

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java.lang.Object
- java.lang.Throwable
- - java.lang.Exception
  - - java.lang.RuntimeException
    - - java.lang.IllegalArgumentException
      - java.util.IllegalFormatException
        
        java.util.MissingFormatArgumentException

All Implemented Interfaces:

Serializable
```
public class MissingFormatArgumentException
extends IllegalFormatException
```
Unchecked exception thrown when there is a format specifier which does not have a corresponding argument or if an argument index refers to an argument that does not exist.
Unless otherwise specified, passing a null argument to any method or constructor in this class will cause a NullPointerException to be thrown.

Since:

1.5

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor	Description
`MissingFormatArgumentException(String s)`	Constructs an instance of this class with the unmatched format specifier.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`String`	`getFormatSpecifier()`	Returns the unmatched format specifier.

Methods declared in class java.lang.Throwable
addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Methods declared in class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - MissingFormatArgumentException
```
public MissingFormatArgumentException(String s)
```
    Constructs an instance of this class with the unmatched format specifier.
    
    Parameters:
    
    s - Format specifier which does not have a corresponding argument
- Method Detail
  - getFormatSpecifier
```
public String getFormatSpecifier()
```
    Returns the unmatched format specifier.
    
    Returns:
    
    The unmatched format specifier

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