使用 JavaCompiler 编译 Java 类文件，javacompilerjava,DiagnosticCo

使用 JavaCompiler 编译 Java 类文件，javacompilerjava,DiagnosticCo

DiagnosticCollectorCompile.java

import java.io.IOException;import java.util.Arrays;import javax.tools.DiagnosticCollector;import javax.tools.JavaCompiler;import javax.tools.JavaFileObject;import javax.tools.StandardJavaFileManager;import javax.tools.ToolProvider;public class DiagnosticCollectorCompile {  public static void main(String args[]) throws IOException {    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();    DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<JavaFileObject>();    StandardJavaFileManager fileManager = compiler.getStandardFileManager(diagnostics, null, null);    Iterable<? extends JavaFileObject> compilationUnits = fileManager        .getJavaFileObjectsFromStrings(Arrays.asList("Foo.java"));    JavaCompiler.CompilationTask task = compiler.getTask(null, fileManager, diagnostics, null,        null, compilationUnits);    boolean success = task.call();    fileManager.close();    System.out.println("Success: " + success);  }}

MyClass.java

class MyClass {  public static void main(String args[]) {    System.out.println("Hello, World");  }}