Compiler (Java SE 12 & JDK 12 )

java.lang.Object
- java.lang.Compiler

```
@Deprecated(since="9",
            forRemoval=true)
public final class Compiler
extends Object
```
Deprecated, for removal: This API element is subject to removal in a future version.

The Compiler class is provided to support Java-to-native-code compilers and related services. By design, the Compiler class does nothing; it serves as a placeholder for a JIT compiler implementation. If no compiler is available, these methods do nothing.

Since:

1.0

Method Summary

Modifier and Type	Method	Description
`static Object`	`command(Object any)`	Deprecated, for removal: This API element is subject to removal in a future version. Examines the argument type and its fields and perform some documented operation.
`static boolean`	`compileClass(Class<?> clazz)`	Deprecated, for removal: This API element is subject to removal in a future version. Compiles the specified class.
`static boolean`	`compileClasses(String string)`	Deprecated, for removal: This API element is subject to removal in a future version. Compiles all classes whose name matches the specified string.
`static void`	`disable()`	Deprecated, for removal: This API element is subject to removal in a future version. Cause the Compiler to cease operation.
`static void`	`enable()`	Deprecated, for removal: This API element is subject to removal in a future version. Cause the Compiler to resume operation.

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

- Method Detail
  - compileClass
```
public static boolean compileClass(Class<?> clazz)
```
    Deprecated, for removal: This API element is subject to removal in a future version.
    
    Compiles the specified class.
    
    Parameters:
    
    clazz - A class
    
    Returns:
    
    true if the compilation succeeded; false if the compilation failed or no compiler is available
    
    Throws:
    
    NullPointerException - If clazz is null
  - compileClasses
```
public static boolean compileClasses(String string)
```
    Deprecated, for removal: This API element is subject to removal in a future version.
    
    Compiles all classes whose name matches the specified string.
    
    Parameters:
    
    string - The name of the classes to compile
    
    Returns:
    
    true if the compilation succeeded; false if the compilation failed or no compiler is available
    
    Throws:
    
    NullPointerException - If string is null
  - command
```
public static Object command(Object any)
```
    Deprecated, for removal: This API element is subject to removal in a future version.
    
    Examines the argument type and its fields and perform some documented operation. No specific operations are required.
    
    Parameters:
    
    any - An argument
    
    Returns:
    
    A compiler-specific value, or null if no compiler is available
    
    Throws:
    
    NullPointerException - If any is null
  - enable
```
public static void enable()
```
    Deprecated, for removal: This API element is subject to removal in a future version.
    
    Cause the Compiler to resume operation.
  - disable
```
public static void disable()
```
    Deprecated, for removal: This API element is subject to removal in a future version.
    
    Cause the Compiler to cease operation.

Method Summary

Methods declared in class java.lang.Object

Method Detail

compileClass

compileClasses

command

enable

disable